diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/beam/erl_alloc.c | 5 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_bif_info.c | 2 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_mmap.c | 550 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_mmap.h | 19 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_mseg.c | 11 |
5 files changed, 299 insertions, 288 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index d83a2930d6..bb3998769c 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -2668,7 +2668,7 @@ erts_allocator_info(int to, void *arg) erts_mseg_info(i, &to, arg, 0, NULL, NULL); } erts_print(to, arg, "=allocator:mseg_alloc.erts_mmap\n"); - erts_mmap_info(&to, arg, NULL, NULL, &emis); + erts_mmap_info(&erts_dflt_mmapper, &to, arg, NULL, NULL, &emis); } #endif @@ -3020,7 +3020,8 @@ reply_alloc_info(void *vair) ai_list = erts_bld_cons(hpp, szp, ainfo, ai_list); - ainfo = (air->only_sz ? NIL : erts_mmap_info(NULL, NULL, hpp, szp, &emis)); + ainfo = (air->only_sz ? NIL : + erts_mmap_info(&erts_dflt_mmapper, NULL, NULL, hpp, szp, &emis)); ainfo = erts_bld_tuple3(hpp, szp, alloc_atom, erts_bld_atom(hpp,szp,"erts_mmap"), diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 79ccf8db64..a73ad826db 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -3441,7 +3441,7 @@ BIF_RETTYPE erts_debug_get_internal_state_1(BIF_ALIST_1) BIF_RET(res); } else if (ERTS_IS_ATOM_STR("mmap", BIF_ARG_1)) { - BIF_RET(erts_mmap_debug_info(BIF_P)); + BIF_RET(erts_mmap_debug_info(&erts_dflt_mmapper, BIF_P)); } else if (ERTS_IS_ATOM_STR("unique_monotonic_integer_state", BIF_ARG_1)) { BIF_RET(erts_debug_get_unique_monotonic_integer_state(BIF_P)); diff --git a/erts/emulator/sys/common/erl_mmap.c b/erts/emulator/sys/common/erl_mmap.c index eeaf96dd93..e8ff2bf752 100644 --- a/erts/emulator/sys/common/erl_mmap.c +++ b/erts/emulator/sys/common/erl_mmap.c @@ -51,21 +51,21 @@ #endif /* - * `mmap_state.sa.bot` and `mmap_state.sua.top` are read only after + * `mm->sa.bot` and `mm->sua.top` are read only after * initialization, but the other pointers are not; i.e., only * ERTS_MMAP_IN_SUPERCARRIER() is allowed without the mutex held. */ #define ERTS_MMAP_IN_SUPERCARRIER(PTR) \ - (((UWord) (PTR)) - ((UWord) mmap_state.sa.bot) \ - < ((UWord) mmap_state.sua.top) - ((UWord) mmap_state.sa.bot)) + (((UWord) (PTR)) - ((UWord) mm->sa.bot) \ + < ((UWord) mm->sua.top) - ((UWord) mm->sa.bot)) #define ERTS_MMAP_IN_SUPERALIGNED_AREA(PTR) \ - (ERTS_SMP_LC_ASSERT(erts_lc_mtx_is_locked(&mmap_state.mtx)), \ - (((UWord) (PTR)) - ((UWord) mmap_state.sa.bot) \ - < ((UWord) mmap_state.sa.top) - ((UWord) mmap_state.sa.bot))) + (ERTS_SMP_LC_ASSERT(erts_lc_mtx_is_locked(&mm->mtx)), \ + (((UWord) (PTR)) - ((UWord) mm->sa.bot) \ + < ((UWord) mm->sa.top) - ((UWord) mm->sa.bot))) #define ERTS_MMAP_IN_SUPERUNALIGNED_AREA(PTR) \ - (ERTS_SMP_LC_ASSERT(erts_lc_mtx_is_locked(&mmap_state.mtx)), \ - (((UWord) (PTR)) - ((UWord) mmap_state.sua.bot) \ - < ((UWord) mmap_state.sua.top) - ((UWord) mmap_state.sua.bot))) + (ERTS_SMP_LC_ASSERT(erts_lc_mtx_is_locked(&mm->mtx)), \ + (((UWord) (PTR)) - ((UWord) mm->sua.bot) \ + < ((UWord) mm->sua.top) - ((UWord) mm->sua.bot))) UWord erts_page_inv_mask; @@ -196,10 +196,10 @@ static ErtsMMapOp mmap_ops[ERTS_MMAP_OP_RINGBUF_SZ]; #define ERTS_MMAP_OP_LCK(RES, IN_SZ, OUT_SZ) \ do { \ - erts_smp_mtx_lock(&mmap_state.mtx); \ + erts_smp_mtx_lock(&mm->mtx); \ ERTS_MMAP_OP_START((IN_SZ)); \ ERTS_MMAP_OP_END((RES), (OUT_SZ)); \ - erts_smp_mtx_unlock(&mmap_state.mtx); \ + erts_smp_mtx_unlock(&mm->mtx); \ } while (0) #define ERTS_MUNMAP_OP(PTR, SZ) \ @@ -218,9 +218,9 @@ static ErtsMMapOp mmap_ops[ERTS_MMAP_OP_RINGBUF_SZ]; #define ERTS_MUNMAP_OP_LCK(PTR, SZ) \ do { \ - erts_smp_mtx_lock(&mmap_state.mtx); \ + erts_smp_mtx_lock(&mm->mtx); \ ERTS_MUNMAP_OP((PTR), (SZ)); \ - erts_smp_mtx_unlock(&mmap_state.mtx); \ + erts_smp_mtx_unlock(&mm->mtx); \ } while (0) #define ERTS_MREMAP_OP_START(OLD_PTR, OLD_SZ, IN_SZ) \ @@ -246,10 +246,10 @@ static ErtsMMapOp mmap_ops[ERTS_MMAP_OP_RINGBUF_SZ]; #define ERTS_MREMAP_OP_LCK(RES, OLD_PTR, OLD_SZ, IN_SZ, OUT_SZ) \ do { \ - erts_smp_mtx_lock(&mmap_state.mtx); \ + erts_smp_mtx_lock(&mm->mtx); \ ERTS_MREMAP_OP_START((OLD_PTR), (OLD_SZ), (IN_SZ)); \ ERTS_MREMAP_OP_END((RES), (OUT_SZ)); \ - erts_smp_mtx_unlock(&mmap_state.mtx); \ + erts_smp_mtx_unlock(&mm->mtx); \ } while (0) #define ERTS_MMAP_OP_ABORT() \ @@ -293,7 +293,7 @@ typedef struct { Uint nseg; }ErtsFreeSegMap; -static struct { +struct ErtsMemMapper_ { int (*reserve_physical)(char *, UWord); void (*unreserve_physical)(char *, UWord); int supercarrier; @@ -345,54 +345,56 @@ static struct { UWord used; } os; } size; -} mmap_state; +}; + +ErtsMemMapper erts_dflt_mmapper; #define ERTS_MMAP_SIZE_SC_SA_INC(SZ) \ do { \ - mmap_state.size.supercarrier.used.total += (SZ); \ - mmap_state.size.supercarrier.used.sa += (SZ); \ - ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.total \ - <= mmap_state.size.supercarrier.total); \ - ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.sa \ - <= mmap_state.size.supercarrier.used.total); \ + mm->size.supercarrier.used.total += (SZ); \ + mm->size.supercarrier.used.sa += (SZ); \ + ERTS_MMAP_ASSERT(mm->size.supercarrier.used.total \ + <= mm->size.supercarrier.total); \ + ERTS_MMAP_ASSERT(mm->size.supercarrier.used.sa \ + <= mm->size.supercarrier.used.total); \ } while (0) #define ERTS_MMAP_SIZE_SC_SA_DEC(SZ) \ do { \ - ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.total >= (SZ)); \ - mmap_state.size.supercarrier.used.total -= (SZ); \ - ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.sa >= (SZ)); \ - mmap_state.size.supercarrier.used.sa -= (SZ); \ + ERTS_MMAP_ASSERT(mm->size.supercarrier.used.total >= (SZ)); \ + mm->size.supercarrier.used.total -= (SZ); \ + ERTS_MMAP_ASSERT(mm->size.supercarrier.used.sa >= (SZ)); \ + mm->size.supercarrier.used.sa -= (SZ); \ } while (0) #define ERTS_MMAP_SIZE_SC_SUA_INC(SZ) \ do { \ - mmap_state.size.supercarrier.used.total += (SZ); \ - mmap_state.size.supercarrier.used.sua += (SZ); \ - ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.total \ - <= mmap_state.size.supercarrier.total); \ - ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.sua \ - <= mmap_state.size.supercarrier.used.total); \ + mm->size.supercarrier.used.total += (SZ); \ + mm->size.supercarrier.used.sua += (SZ); \ + ERTS_MMAP_ASSERT(mm->size.supercarrier.used.total \ + <= mm->size.supercarrier.total); \ + ERTS_MMAP_ASSERT(mm->size.supercarrier.used.sua \ + <= mm->size.supercarrier.used.total); \ } while (0) #define ERTS_MMAP_SIZE_SC_SUA_DEC(SZ) \ do { \ - ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.total >= (SZ)); \ - mmap_state.size.supercarrier.used.total -= (SZ); \ - ERTS_MMAP_ASSERT(mmap_state.size.supercarrier.used.sua >= (SZ)); \ - mmap_state.size.supercarrier.used.sua -= (SZ); \ + ERTS_MMAP_ASSERT(mm->size.supercarrier.used.total >= (SZ)); \ + mm->size.supercarrier.used.total -= (SZ); \ + ERTS_MMAP_ASSERT(mm->size.supercarrier.used.sua >= (SZ)); \ + mm->size.supercarrier.used.sua -= (SZ); \ } while (0) #define ERTS_MMAP_SIZE_OS_INC(SZ) \ do { \ - ERTS_MMAP_ASSERT(mmap_state.size.os.used + (SZ) >= (SZ)); \ - mmap_state.size.os.used += (SZ); \ + ERTS_MMAP_ASSERT(mm->size.os.used + (SZ) >= (SZ)); \ + mm->size.os.used += (SZ); \ } while (0) #define ERTS_MMAP_SIZE_OS_DEC(SZ) \ do { \ - ERTS_MMAP_ASSERT(mmap_state.size.os.used >= (SZ)); \ - mmap_state.size.os.used -= (SZ); \ + ERTS_MMAP_ASSERT(mm->size.os.used >= (SZ)); \ + mm->size.os.used -= (SZ); \ } while (0) static void -add_free_desc_area(char *start, char *end) +add_free_desc_area(ErtsMemMapper* mm, char *start, char *end) { ERTS_MMAP_ASSERT(end == (void *) 0 || end > start); if (sizeof(ErtsFreeSegDesc) <= ((UWord) end) - ((UWord) start)) { @@ -402,7 +404,7 @@ add_free_desc_area(char *start, char *end) no = 1; prev_desc = (ErtsFreeSegDesc *) start; - prev_desc->start = mmap_state.desc.free_list; + prev_desc->start = mm->desc.free_list; desc = (ErtsFreeSegDesc *) (start + sizeof(ErtsFreeSegDesc)); desc_end = start + 2*sizeof(ErtsFreeSegDesc); @@ -413,59 +415,59 @@ add_free_desc_area(char *start, char *end) desc_end += sizeof(ErtsFreeSegDesc); no++; } - mmap_state.desc.free_list = (char *) prev_desc; - mmap_state.no.free_seg_descs += no; + mm->desc.free_list = (char *) prev_desc; + mm->no.free_seg_descs += no; } } static ErtsFreeSegDesc * -add_unused_free_desc_area(void) +add_unused_free_desc_area(ErtsMemMapper* mm) { char *ptr; - if (!mmap_state.desc.unused_start) + if (!mm->desc.unused_start) return NULL; - ERTS_MMAP_ASSERT(mmap_state.desc.unused_end); + ERTS_MMAP_ASSERT(mm->desc.unused_end); ERTS_MMAP_ASSERT(ERTS_PAGEALIGNED_SIZE - <= mmap_state.desc.unused_end - mmap_state.desc.unused_start); + <= mm->desc.unused_end - mm->desc.unused_start); - ptr = mmap_state.desc.unused_start + ERTS_PAGEALIGNED_SIZE; - add_free_desc_area(mmap_state.desc.unused_start, ptr); + ptr = mm->desc.unused_start + ERTS_PAGEALIGNED_SIZE; + add_free_desc_area(mm, mm->desc.unused_start, ptr); - if ((mmap_state.desc.unused_end - ptr) >= ERTS_PAGEALIGNED_SIZE) - mmap_state.desc.unused_start = ptr; + if ((mm->desc.unused_end - ptr) >= ERTS_PAGEALIGNED_SIZE) + mm->desc.unused_start = ptr; else - mmap_state.desc.unused_end = mmap_state.desc.unused_start = NULL; + mm->desc.unused_end = mm->desc.unused_start = NULL; - ERTS_MMAP_ASSERT(mmap_state.desc.free_list); - return (ErtsFreeSegDesc *) mmap_state.desc.free_list; + ERTS_MMAP_ASSERT(mm->desc.free_list); + return (ErtsFreeSegDesc *) mm->desc.free_list; } static ERTS_INLINE ErtsFreeSegDesc * -alloc_desc(void) +alloc_desc(ErtsMemMapper* mm) { ErtsFreeSegDesc *res; - res = (ErtsFreeSegDesc *) mmap_state.desc.free_list; + res = (ErtsFreeSegDesc *) mm->desc.free_list; if (!res) { - res = add_unused_free_desc_area(); + res = add_unused_free_desc_area(mm); if (!res) return NULL; } - mmap_state.desc.free_list = res->start; - ASSERT(mmap_state.no.free_segs.curr < mmap_state.no.free_seg_descs); - mmap_state.no.free_segs.curr++; - if (mmap_state.no.free_segs.max < mmap_state.no.free_segs.curr) - mmap_state.no.free_segs.max = mmap_state.no.free_segs.curr; + mm->desc.free_list = res->start; + ASSERT(mm->no.free_segs.curr < mm->no.free_seg_descs); + mm->no.free_segs.curr++; + if (mm->no.free_segs.max < mm->no.free_segs.curr) + mm->no.free_segs.max = mm->no.free_segs.curr; return res; } static ERTS_INLINE void -free_desc(ErtsFreeSegDesc *desc) +free_desc(ErtsMemMapper* mm, ErtsFreeSegDesc *desc) { - desc->start = mmap_state.desc.free_list; - mmap_state.desc.free_list = (char *) desc; - ERTS_MMAP_ASSERT(mmap_state.no.free_segs.curr > 0); - mmap_state.no.free_segs.curr--; + desc->start = mm->desc.free_list; + mm->desc.free_list = (char *) desc; + ERTS_MMAP_ASSERT(mm->no.free_segs.curr > 0); + mm->no.free_segs.curr--; } static ERTS_INLINE ErtsFreeSegDesc* anode_to_desc(RBTNode* anode) @@ -1232,7 +1234,7 @@ Eterm build_free_seg_list(Process* p, ErtsFreeSegMap* map) # define ERTS_MMAP_FD (-1) # else # define ERTS_MMAP_FLAGS (MAP_PRIVATE) -# define ERTS_MMAP_FD mmap_state.mmap_fd +# define ERTS_MMAP_FD mm->mmap_fd # endif #endif @@ -1377,11 +1379,12 @@ static void unreserve_noop(char *ptr, UWord size) } static UWord -alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end) +alloc_desc_insert_free_seg(ErtsMemMapper* mm, + ErtsFreeSegMap *map, char* start, char* end) { char *ptr; ErtsFreeSegMap *da_map; - ErtsFreeSegDesc *desc = alloc_desc(); + ErtsFreeSegDesc *desc = alloc_desc(mm); if (desc) { insert_free_seg(map, desc, start, end); return 0; @@ -1394,13 +1397,13 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end) */ #if ERTS_HAVE_OS_MMAP - if (!mmap_state.no_os_mmap) { - ptr = os_mmap(mmap_state.desc.new_area_hint, ERTS_PAGEALIGNED_SIZE, 0); + if (!mm->no_os_mmap) { + ptr = os_mmap(mm->desc.new_area_hint, ERTS_PAGEALIGNED_SIZE, 0); if (ptr) { - mmap_state.desc.new_area_hint = ptr+ERTS_PAGEALIGNED_SIZE; + mm->desc.new_area_hint = ptr+ERTS_PAGEALIGNED_SIZE; ERTS_MMAP_SIZE_OS_INC(ERTS_PAGEALIGNED_SIZE); - add_free_desc_area(ptr, ptr+ERTS_PAGEALIGNED_SIZE); - desc = alloc_desc(); + add_free_desc_area(mm, ptr, ptr+ERTS_PAGEALIGNED_SIZE); + desc = alloc_desc(mm); ERTS_MMAP_ASSERT(desc); insert_free_seg(map, desc, start, end); return 0; @@ -1411,20 +1414,20 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end) /* * ...then try to find a good place in the supercarrier... */ - da_map = &mmap_state.sua.map; + da_map = &mm->sua.map; desc = lookup_free_seg(da_map, ERTS_PAGEALIGNED_SIZE); if (desc) { - if (mmap_state.reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE)) + if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE)) ERTS_MMAP_SIZE_SC_SUA_INC(ERTS_PAGEALIGNED_SIZE); else desc = NULL; } else { - da_map = &mmap_state.sa.map; + da_map = &mm->sa.map; desc = lookup_free_seg(da_map, ERTS_PAGEALIGNED_SIZE); if (desc) { - if (mmap_state.reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE)) + if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE)) ERTS_MMAP_SIZE_SC_SA_INC(ERTS_PAGEALIGNED_SIZE); else desc = NULL; @@ -1432,15 +1435,15 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end) } if (desc) { char *da_end = desc->start + ERTS_PAGEALIGNED_SIZE; - add_free_desc_area(desc->start, da_end); + add_free_desc_area(mm, desc->start, da_end); if (da_end != desc->end) resize_free_seg(da_map, desc, da_end, desc->end); else { delete_free_seg(da_map, desc); - free_desc(desc); + free_desc(mm, desc); } - desc = alloc_desc(); + desc = alloc_desc(mm); ERTS_MMAP_ASSERT(desc); insert_free_seg(map, desc, start, end); return 0; @@ -1453,10 +1456,10 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end) ptr = start + ERTS_PAGEALIGNED_SIZE; ERTS_MMAP_ASSERT(ptr <= end); - add_free_desc_area(start, ptr); + add_free_desc_area(mm, start, ptr); if (ptr != end) { - desc = alloc_desc(); + desc = alloc_desc(mm); ERTS_MMAP_ASSERT(desc); insert_free_seg(map, desc, ptr, end); } @@ -1465,46 +1468,46 @@ alloc_desc_insert_free_seg(ErtsFreeSegMap *map, char* start, char* end) } void * -erts_mmap(Uint32 flags, UWord *sizep) +erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep) { char *seg; UWord asize = ERTS_PAGEALIGNED_CEILING(*sizep); /* Map in premapped supercarrier */ - if (mmap_state.supercarrier && !(ERTS_MMAPFLG_OS_ONLY & flags)) { + if (mm->supercarrier && !(ERTS_MMAPFLG_OS_ONLY & flags)) { char *end; ErtsFreeSegDesc *desc; Uint32 superaligned = (ERTS_MMAPFLG_SUPERALIGNED & flags); - erts_smp_mtx_lock(&mmap_state.mtx); + erts_smp_mtx_lock(&mm->mtx); ERTS_MMAP_OP_START(*sizep); if (!superaligned) { - desc = lookup_free_seg(&mmap_state.sua.map, asize); + desc = lookup_free_seg(&mm->sua.map, asize); if (desc) { seg = desc->start; end = seg+asize; - if (!mmap_state.reserve_physical(seg, asize)) + if (!mm->reserve_physical(seg, asize)) goto supercarrier_reserve_failure; if (desc->end == end) { - delete_free_seg(&mmap_state.sua.map, desc); - free_desc(desc); + delete_free_seg(&mm->sua.map, desc); + free_desc(mm, desc); } else { ERTS_MMAP_ASSERT(end < desc->end); - resize_free_seg(&mmap_state.sua.map, desc, end, desc->end); + resize_free_seg(&mm->sua.map, desc, end, desc->end); } ERTS_MMAP_SIZE_SC_SUA_INC(asize); goto supercarrier_success; } - if (asize <= mmap_state.sua.bot - mmap_state.sa.top) { - if (!mmap_state.reserve_physical(mmap_state.sua.bot - asize, + if (asize <= mm->sua.bot - mm->sa.top) { + if (!mm->reserve_physical(mm->sua.bot - asize, asize)) goto supercarrier_reserve_failure; - mmap_state.sua.bot -= asize; - seg = mmap_state.sua.bot; + mm->sua.bot -= asize; + seg = mm->sua.bot; ERTS_MMAP_SIZE_SC_SUA_INC(asize); goto supercarrier_success; } @@ -1512,84 +1515,84 @@ erts_mmap(Uint32 flags, UWord *sizep) asize = ERTS_SUPERALIGNED_CEILING(asize); - desc = lookup_free_seg(&mmap_state.sa.map, asize); + desc = lookup_free_seg(&mm->sa.map, asize); if (desc) { char *start = seg = desc->start; seg = (char *) ERTS_SUPERALIGNED_CEILING(seg); end = seg+asize; - if (!mmap_state.reserve_physical(start, (UWord) (end - start))) + if (!mm->reserve_physical(start, (UWord) (end - start))) goto supercarrier_reserve_failure; ERTS_MMAP_SIZE_SC_SA_INC(asize); if (desc->end == end) { if (start != seg) - resize_free_seg(&mmap_state.sa.map, desc, start, seg); + resize_free_seg(&mm->sa.map, desc, start, seg); else { - delete_free_seg(&mmap_state.sa.map, desc); - free_desc(desc); + delete_free_seg(&mm->sa.map, desc); + free_desc(mm, desc); } } else { ERTS_MMAP_ASSERT(end < desc->end); - resize_free_seg(&mmap_state.sa.map, desc, end, desc->end); + resize_free_seg(&mm->sa.map, desc, end, desc->end); if (start != seg) { UWord ad_sz; - ad_sz = alloc_desc_insert_free_seg(&mmap_state.sua.map, + ad_sz = alloc_desc_insert_free_seg(mm, &mm->sua.map, start, seg); start += ad_sz; if (start != seg) - mmap_state.unreserve_physical(start, (UWord) (seg - start)); + mm->unreserve_physical(start, (UWord) (seg - start)); } } goto supercarrier_success; } if (superaligned) { - char *start = mmap_state.sa.top; + char *start = mm->sa.top; seg = (char *) ERTS_SUPERALIGNED_CEILING(start); - if (asize + (seg - start) <= mmap_state.sua.bot - start) { + if (asize + (seg - start) <= mm->sua.bot - start) { end = seg + asize; - if (!mmap_state.reserve_physical(start, (UWord) (end - start))) + if (!mm->reserve_physical(start, (UWord) (end - start))) goto supercarrier_reserve_failure; - mmap_state.sa.top = end; + mm->sa.top = end; ERTS_MMAP_SIZE_SC_SA_INC(asize); if (start != seg) { UWord ad_sz; - ad_sz = alloc_desc_insert_free_seg(&mmap_state.sua.map, + ad_sz = alloc_desc_insert_free_seg(mm, &mm->sua.map, start, seg); start += ad_sz; if (start != seg) - mmap_state.unreserve_physical(start, (UWord) (seg - start)); + mm->unreserve_physical(start, (UWord) (seg - start)); } goto supercarrier_success; } - desc = lookup_free_seg(&mmap_state.sua.map, asize + ERTS_SUPERALIGNED_SIZE); + desc = lookup_free_seg(&mm->sua.map, asize + ERTS_SUPERALIGNED_SIZE); if (desc) { char *org_start = desc->start; char *org_end = desc->end; seg = (char *) ERTS_SUPERALIGNED_CEILING(org_start); end = seg + asize; - if (!mmap_state.reserve_physical(seg, (UWord) (org_end - seg))) + if (!mm->reserve_physical(seg, (UWord) (org_end - seg))) goto supercarrier_reserve_failure; ERTS_MMAP_SIZE_SC_SUA_INC(asize); if (org_start != seg) { ERTS_MMAP_ASSERT(org_start < seg); - resize_free_seg(&mmap_state.sua.map, desc, org_start, seg); + resize_free_seg(&mm->sua.map, desc, org_start, seg); desc = NULL; } if (end != org_end) { UWord ad_sz = 0; ERTS_MMAP_ASSERT(end < org_end); if (desc) - resize_free_seg(&mmap_state.sua.map, desc, end, org_end); + resize_free_seg(&mm->sua.map, desc, end, org_end); else - ad_sz = alloc_desc_insert_free_seg(&mmap_state.sua.map, + ad_sz = alloc_desc_insert_free_seg(mm, &mm->sua.map, end, org_end); end += ad_sz; if (end != org_end) - mmap_state.unreserve_physical(end, + mm->unreserve_physical(end, (UWord) (org_end - end)); } goto supercarrier_success; @@ -1597,12 +1600,12 @@ erts_mmap(Uint32 flags, UWord *sizep) } ERTS_MMAP_OP_ABORT(); - erts_smp_mtx_unlock(&mmap_state.mtx); + erts_smp_mtx_unlock(&mm->mtx); } #if ERTS_HAVE_OS_MMAP /* Map using OS primitives */ - if (!(ERTS_MMAPFLG_SUPERCARRIER_ONLY & flags) && !mmap_state.no_os_mmap) { + if (!(ERTS_MMAPFLG_SUPERCARRIER_ONLY & flags) && !mm->no_os_mmap) { if (!(ERTS_MMAPFLG_SUPERALIGNED & flags)) { seg = os_mmap(NULL, asize, 0); if (!seg) @@ -1660,25 +1663,25 @@ supercarrier_success: #endif ERTS_MMAP_OP_END(seg, asize); - erts_smp_mtx_unlock(&mmap_state.mtx); + erts_smp_mtx_unlock(&mm->mtx); *sizep = asize; return (void *) seg; supercarrier_reserve_failure: - erts_smp_mtx_unlock(&mmap_state.mtx); + erts_smp_mtx_unlock(&mm->mtx); *sizep = 0; return NULL; } void -erts_munmap(Uint32 flags, void *ptr, UWord size) +erts_munmap(ErtsMemMapper* mm, Uint32 flags, void *ptr, UWord size) { ERTS_MMAP_ASSERT(ERTS_IS_PAGEALIGNED(ptr)); ERTS_MMAP_ASSERT(ERTS_IS_PAGEALIGNED(size)); if (!ERTS_MMAP_IN_SUPERCARRIER(ptr)) { - ERTS_MMAP_ASSERT(!mmap_state.no_os_mmap); + ERTS_MMAP_ASSERT(!mm->no_os_mmap); #if ERTS_HAVE_OS_MMAP ERTS_MUNMAP_OP_LCK(ptr, size); ERTS_MMAP_SIZE_OS_DEC(size); @@ -1691,45 +1694,45 @@ erts_munmap(Uint32 flags, void *ptr, UWord size) ErtsFreeSegDesc *prev, *next, *desc; UWord ad_sz = 0; - ERTS_MMAP_ASSERT(mmap_state.supercarrier); + ERTS_MMAP_ASSERT(mm->supercarrier); start = (char *) ptr; end = start + size; - erts_smp_mtx_lock(&mmap_state.mtx); + erts_smp_mtx_lock(&mm->mtx); ERTS_MUNMAP_OP(ptr, size); if (ERTS_MMAP_IN_SUPERALIGNED_AREA(ptr)) { - map = &mmap_state.sa.map; + map = &mm->sa.map; adjacent_free_seg(map, start, end, &prev, &next); ERTS_MMAP_SIZE_SC_SA_DEC(size); - if (end == mmap_state.sa.top) { + if (end == mm->sa.top) { ERTS_MMAP_ASSERT(!next); if (prev) { start = prev->start; delete_free_seg(map, prev); - free_desc(prev); + free_desc(mm, prev); } - mmap_state.sa.top = start; + mm->sa.top = start; goto supercarrier_success; } } else { - map = &mmap_state.sua.map; + map = &mm->sua.map; adjacent_free_seg(map, start, end, &prev, &next); ERTS_MMAP_SIZE_SC_SUA_DEC(size); - if (start == mmap_state.sua.bot) { + if (start == mm->sua.bot) { ERTS_MMAP_ASSERT(!prev); if (next) { end = next->end; delete_free_seg(map, next); - free_desc(next); + free_desc(mm, next); } - mmap_state.sua.bot = end; + mm->sua.bot = end; goto supercarrier_success; } } @@ -1741,7 +1744,7 @@ erts_munmap(Uint32 flags, void *ptr, UWord size) end = next->end; if (prev) { delete_free_seg(map, next); - free_desc(next); + free_desc(mm, next); goto save_prev; } desc = next; @@ -1755,7 +1758,7 @@ erts_munmap(Uint32 flags, void *ptr, UWord size) if (desc) resize_free_seg(map, desc, start, end); else - ad_sz = alloc_desc_insert_free_seg(map, start, end); + ad_sz = alloc_desc_insert_free_seg(mm, map, start, end); supercarrier_success: { UWord unres_sz; @@ -1763,30 +1766,32 @@ erts_munmap(Uint32 flags, void *ptr, UWord size) ERTS_MMAP_ASSERT(size >= ad_sz); unres_sz = size - ad_sz; if (unres_sz) - mmap_state.unreserve_physical(((char *) ptr) + ad_sz, unres_sz); + mm->unreserve_physical(((char *) ptr) + ad_sz, unres_sz); - erts_smp_mtx_unlock(&mmap_state.mtx); + erts_smp_mtx_unlock(&mm->mtx); } } } static void * -remap_move(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) +remap_move(ErtsMemMapper* mm, + Uint32 flags, void *ptr, UWord old_size, UWord *sizep) { UWord size = *sizep; - void *new_ptr = erts_mmap(flags, &size); + void *new_ptr = erts_mmap(mm, flags, &size); if (!new_ptr) return NULL; *sizep = size; if (old_size < size) size = old_size; sys_memcpy(new_ptr, ptr, (size_t) size); - erts_munmap(flags, ptr, old_size); + erts_munmap(mm, flags, ptr, old_size); return new_ptr; } void * -erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) +erts_mremap(ErtsMemMapper* mm, + Uint32 flags, void *ptr, UWord old_size, UWord *sizep) { void *new_ptr; Uint32 superaligned; @@ -1798,11 +1803,11 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) if (!ERTS_MMAP_IN_SUPERCARRIER(ptr)) { - ERTS_MMAP_ASSERT(!mmap_state.no_os_mmap); + ERTS_MMAP_ASSERT(!mm->no_os_mmap); - if (!(ERTS_MMAPFLG_OS_ONLY & flags) && mmap_state.supercarrier) { - new_ptr = remap_move(ERTS_MMAPFLG_SUPERCARRIER_ONLY|flags, ptr, - old_size, sizep); + if (!(ERTS_MMAPFLG_OS_ONLY & flags) && mm->supercarrier) { + new_ptr = remap_move(mm, ERTS_MMAPFLG_SUPERCARRIER_ONLY|flags, + ptr, old_size, sizep); if (new_ptr) return new_ptr; } @@ -1849,7 +1854,7 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) #endif #if ERTS_HAVE_OS_MREMAP if (superaligned) - return remap_move(flags, new_ptr, old_size, sizep); + return remap_move(mm, flags, new_ptr, old_size, sizep); else { new_ptr = os_mremap(ptr, old_size, asize, 0); if (!new_ptr) @@ -1871,10 +1876,10 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) ErtsFreeSegDesc *prev, *next; UWord ad_sz = 0; - ERTS_MMAP_ASSERT(mmap_state.supercarrier); + ERTS_MMAP_ASSERT(mm->supercarrier); if (ERTS_MMAPFLG_OS_ONLY & flags) - return remap_move(flags, ptr, old_size, sizep); + return remap_move(mm, flags, ptr, old_size, sizep); superaligned = (ERTS_MMAPFLG_SUPERALIGNED & flags); @@ -1882,19 +1887,19 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) ? ERTS_SUPERALIGNED_CEILING(*sizep) : ERTS_PAGEALIGNED_CEILING(*sizep)); - erts_smp_mtx_lock(&mmap_state.mtx); + erts_smp_mtx_lock(&mm->mtx); if (ERTS_MMAP_IN_SUPERALIGNED_AREA(ptr) - ? (!superaligned && lookup_free_seg(&mmap_state.sua.map, asize)) - : (superaligned && lookup_free_seg(&mmap_state.sa.map, asize))) { - erts_smp_mtx_unlock(&mmap_state.mtx); + ? (!superaligned && lookup_free_seg(&mm->sua.map, asize)) + : (superaligned && lookup_free_seg(&mm->sa.map, asize))) { + erts_smp_mtx_unlock(&mm->mtx); /* * Segment currently in wrong area (due to a previous memory * shortage), move it to the right area. * (remap_move() will succeed) */ - return remap_move(ERTS_MMAPFLG_SUPERCARRIER_ONLY|flags, ptr, - old_size, sizep); + return remap_move(mm, ERTS_MMAPFLG_SUPERCARRIER_ONLY|flags, + ptr, old_size, sizep); } ERTS_MREMAP_OP_START(ptr, old_size, *sizep); @@ -1916,18 +1921,18 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) UWord unres_sz; new_ptr = ptr; if (!ERTS_MMAP_IN_SUPERALIGNED_AREA(ptr)) { - map = &mmap_state.sua.map; + map = &mm->sua.map; ERTS_MMAP_SIZE_SC_SUA_DEC(old_size - asize); } else { - if (end == mmap_state.sa.top) { - mmap_state.sa.top = new_end; - mmap_state.unreserve_physical(((char *) ptr) + asize, + if (end == mm->sa.top) { + mm->sa.top = new_end; + mm->unreserve_physical(((char *) ptr) + asize, old_size - asize); goto supercarrier_resize_success; } ERTS_MMAP_SIZE_SC_SA_DEC(old_size - asize); - map = &mmap_state.sa.map; + map = &mm->sa.map; } adjacent_free_seg(map, start, end, &prev, &next); @@ -1935,11 +1940,11 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) if (next) resize_free_seg(map, next, new_end, next->end); else - ad_sz = alloc_desc_insert_free_seg(map, new_end, end); + ad_sz = alloc_desc_insert_free_seg(mm, map, new_end, end); ERTS_MMAP_ASSERT(old_size - asize >= ad_sz); unres_sz = old_size - asize - ad_sz; if (unres_sz) - mmap_state.unreserve_physical(((char *) ptr) + asize + ad_sz, + mm->unreserve_physical(((char *) ptr) + asize + ad_sz, unres_sz); goto supercarrier_resize_success; } @@ -1949,17 +1954,17 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) ERTS_MMAP_ASSERT(ERTS_IS_PAGEALIGNED(old_size)); ERTS_MMAP_ASSERT(ERTS_IS_PAGEALIGNED(asize)); - adjacent_free_seg(&mmap_state.sua.map, start, end, &prev, &next); + adjacent_free_seg(&mm->sua.map, start, end, &prev, &next); if (next && new_end <= next->end) { - if (!mmap_state.reserve_physical(((char *) ptr) + old_size, + if (!mm->reserve_physical(((char *) ptr) + old_size, asize - old_size)) goto supercarrier_reserve_failure; if (new_end < next->end) - resize_free_seg(&mmap_state.sua.map, next, new_end, next->end); + resize_free_seg(&mm->sua.map, next, new_end, next->end); else { - delete_free_seg(&mmap_state.sua.map, next); - free_desc(next); + delete_free_seg(&mm->sua.map, next); + free_desc(mm, next); } new_ptr = ptr; ERTS_MMAP_SIZE_SC_SUA_INC(asize - old_size); @@ -1968,28 +1973,28 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) } else { /* Superaligned area */ - if (end == mmap_state.sa.top) { - if (new_end <= mmap_state.sua.bot) { - if (!mmap_state.reserve_physical(((char *) ptr) + old_size, + if (end == mm->sa.top) { + if (new_end <= mm->sua.bot) { + if (!mm->reserve_physical(((char *) ptr) + old_size, asize - old_size)) goto supercarrier_reserve_failure; - mmap_state.sa.top = new_end; + mm->sa.top = new_end; new_ptr = ptr; ERTS_MMAP_SIZE_SC_SA_INC(asize - old_size); goto supercarrier_resize_success; } } else { - adjacent_free_seg(&mmap_state.sa.map, start, end, &prev, &next); + adjacent_free_seg(&mm->sa.map, start, end, &prev, &next); if (next && new_end <= next->end) { - if (!mmap_state.reserve_physical(((char *) ptr) + old_size, + if (!mm->reserve_physical(((char *) ptr) + old_size, asize - old_size)) goto supercarrier_reserve_failure; if (new_end < next->end) - resize_free_seg(&mmap_state.sa.map, next, new_end, next->end); + resize_free_seg(&mm->sa.map, next, new_end, next->end); else { - delete_free_seg(&mmap_state.sa.map, next); - free_desc(next); + delete_free_seg(&mm->sa.map, next); + free_desc(mm, next); } new_ptr = ptr; ERTS_MMAP_SIZE_SC_SA_INC(asize - old_size); @@ -1999,12 +2004,12 @@ erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep) } ERTS_MMAP_OP_ABORT(); - erts_smp_mtx_unlock(&mmap_state.mtx); + erts_smp_mtx_unlock(&mm->mtx); /* Failed to resize... */ } - return remap_move(flags, ptr, old_size, sizep); + return remap_move(mm, flags, ptr, old_size, sizep); supercarrier_resize_success: @@ -2021,25 +2026,24 @@ supercarrier_resize_success: #endif ERTS_MREMAP_OP_END(new_ptr, asize); - erts_smp_mtx_unlock(&mmap_state.mtx); + erts_smp_mtx_unlock(&mm->mtx); *sizep = asize; return new_ptr; supercarrier_reserve_failure: ERTS_MREMAP_OP_END(NULL, old_size); - erts_smp_mtx_unlock(&mmap_state.mtx); + erts_smp_mtx_unlock(&mm->mtx); *sizep = old_size; return NULL; } -int erts_mmap_in_supercarrier(void *ptr) +int erts_mmap_in_supercarrier(ErtsMemMapper* mm, void *ptr) { return ERTS_MMAP_IN_SUPERCARRIER(ptr); } - static struct { Eterm total; Eterm total_sa; @@ -2102,7 +2106,7 @@ static void hard_dbg_mseg_init(void); #endif void -erts_mmap_init(ErtsMMapInit *init) +erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init) { int virtual_map = 0; char *start = NULL, *end = NULL; @@ -2130,17 +2134,17 @@ erts_mmap_init(ErtsMMapInit *init) ERTS_MMAP_OP_RINGBUF_INIT(); - mmap_state.supercarrier = 0; - mmap_state.reserve_physical = reserve_noop; - mmap_state.unreserve_physical = unreserve_noop; + mm->supercarrier = 0; + mm->reserve_physical = reserve_noop; + mm->unreserve_physical = unreserve_noop; #if HAVE_MMAP && !defined(MAP_ANON) - mmap_state.mmap_fd = open("/dev/zero", O_RDWR); - if (mmap_state.mmap_fd < 0) + mm->mmap_fd = open("/dev/zero", O_RDWR); + if (mm->mmap_fd < 0) erl_exit(-1, "erts_mmap: Failed to open /dev/zero\n"); #endif - erts_smp_mtx_init(&mmap_state.mtx, "erts_mmap"); + erts_smp_mtx_init(&mm->mtx, "erts_mmap"); erts_mtx_init(&am.init_mutex, "mmap_init_atoms"); #ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION @@ -2157,8 +2161,8 @@ erts_mmap_init(ErtsMMapInit *init) sz = start - ptr; if (sz) os_munmap(end, sz); - mmap_state.reserve_physical = os_reserve_physical; - mmap_state.unreserve_physical = os_unreserve_physical; + mm->reserve_physical = os_reserve_physical; + mm->unreserve_physical = os_unreserve_physical; virtual_map = 1; } else @@ -2176,8 +2180,8 @@ erts_mmap_init(ErtsMMapInit *init) #ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION if (!init->scrpm) { start = os_mmap_virtual(NULL, sz); - mmap_state.reserve_physical = os_reserve_physical; - mmap_state.unreserve_physical = os_unreserve_physical; + mm->reserve_physical = os_reserve_physical; + mm->unreserve_physical = os_unreserve_physical; virtual_map = 1; } else @@ -2205,30 +2209,30 @@ erts_mmap_init(ErtsMMapInit *init) } #endif - mmap_state.no.free_seg_descs = 0; - mmap_state.no.free_segs.curr = 0; - mmap_state.no.free_segs.max = 0; + mm->no.free_seg_descs = 0; + mm->no.free_segs.curr = 0; + mm->no.free_segs.max = 0; - mmap_state.size.supercarrier.total = 0; - mmap_state.size.supercarrier.used.total = 0; - mmap_state.size.supercarrier.used.sa = 0; - mmap_state.size.supercarrier.used.sua = 0; - mmap_state.size.os.used = 0; + mm->size.supercarrier.total = 0; + mm->size.supercarrier.used.total = 0; + mm->size.supercarrier.used.sa = 0; + mm->size.supercarrier.used.sua = 0; + mm->size.os.used = 0; - mmap_state.desc.new_area_hint = NULL; + mm->desc.new_area_hint = NULL; if (!start) { - mmap_state.sa.bot = NULL; - mmap_state.sua.top = NULL; - mmap_state.sa.bot = NULL; - mmap_state.sua.top = NULL; - mmap_state.no_os_mmap = 0; - mmap_state.supercarrier = 0; + mm->sa.bot = NULL; + mm->sua.top = NULL; + mm->sa.bot = NULL; + mm->sua.top = NULL; + mm->no_os_mmap = 0; + mm->supercarrier = 0; } else { size_t desc_size; - mmap_state.no_os_mmap = init->sco; + mm->no_os_mmap = init->sco; desc_size = init->scrfsd; if (desc_size < 100) @@ -2239,60 +2243,60 @@ erts_mmap_init(ErtsMMapInit *init) + ERTS_PAGEALIGNED_SIZE) > end - start) erl_exit(-1, "erts_mmap: No space for segments in super carrier\n"); - mmap_state.sa.bot = start; - mmap_state.sa.bot += desc_size; - mmap_state.sa.bot = (char *) ERTS_SUPERALIGNED_CEILING(mmap_state.sa.bot); - mmap_state.sa.top = mmap_state.sa.bot; - mmap_state.sua.top = end; - mmap_state.sua.bot = mmap_state.sua.top; + mm->sa.bot = start; + mm->sa.bot += desc_size; + mm->sa.bot = (char *) ERTS_SUPERALIGNED_CEILING(mm->sa.bot); + mm->sa.top = mm->sa.bot; + mm->sua.top = end; + mm->sua.bot = mm->sua.top; - mmap_state.size.supercarrier.used.total += (UWord) (mmap_state.sa.bot - start); + mm->size.supercarrier.used.total += (UWord) (mm->sa.bot - start); - mmap_state.desc.free_list = NULL; - mmap_state.desc.reserved = 0; + mm->desc.free_list = NULL; + mm->desc.reserved = 0; if (end == (void *) 0) { /* * Very unlikely, but we need a guarantee - * that `mmap_state.sua.top` always will + * that `mm->sua.top` always will * compare as larger than all segment pointers * into the super carrier... */ - mmap_state.sua.top -= ERTS_PAGEALIGNED_SIZE; - mmap_state.size.supercarrier.used.total += ERTS_PAGEALIGNED_SIZE; + mm->sua.top -= ERTS_PAGEALIGNED_SIZE; + mm->size.supercarrier.used.total += ERTS_PAGEALIGNED_SIZE; #ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION - if (!virtual_map || os_reserve_physical(mmap_state.sua.top, ERTS_PAGEALIGNED_SIZE)) + if (!virtual_map || os_reserve_physical(mm->sua.top, ERTS_PAGEALIGNED_SIZE)) #endif - add_free_desc_area(mmap_state.sua.top, end); - mmap_state.desc.reserved += (end - mmap_state.sua.top) / sizeof(ErtsFreeSegDesc); + add_free_desc_area(mm, mm->sua.top, end); + mm->desc.reserved += (end - mm->sua.top) / sizeof(ErtsFreeSegDesc); } - mmap_state.size.supercarrier.total = (UWord) (mmap_state.sua.top - start); + mm->size.supercarrier.total = (UWord) (mm->sua.top - start); /* * Area before (and after) super carrier * will be used for free segment descritors. */ #ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION - if (virtual_map && !os_reserve_physical(start, mmap_state.sa.bot - start)) + if (virtual_map && !os_reserve_physical(start, mm->sa.bot - start)) erl_exit(-1, "erts_mmap: Failed to reserve physical memory for descriptors\n"); #endif - mmap_state.desc.unused_start = start; - mmap_state.desc.unused_end = mmap_state.sa.bot; - mmap_state.desc.reserved += ((mmap_state.desc.unused_end - start) + mm->desc.unused_start = start; + mm->desc.unused_end = mm->sa.bot; + mm->desc.reserved += ((mm->desc.unused_end - start) / sizeof(ErtsFreeSegDesc)); - init_free_seg_map(&mmap_state.sa.map, SA_SZ_ADDR_ORDER); - init_free_seg_map(&mmap_state.sua.map, SZ_REVERSE_ADDR_ORDER); + init_free_seg_map(&mm->sa.map, SA_SZ_ADDR_ORDER); + init_free_seg_map(&mm->sua.map, SZ_REVERSE_ADDR_ORDER); - mmap_state.supercarrier = 1; + mm->supercarrier = 1; - mmap_state.desc.new_area_hint = end; + mm->desc.new_area_hint = end; } #if !ERTS_HAVE_OS_MMAP - mmap_state.no_os_mmap = 1; + mm->no_os_mmap = 1; #endif #ifdef HARD_DEBUG_MSEG @@ -2307,7 +2311,8 @@ add_2tup(Uint **hpp, Uint *szp, Eterm *lp, Eterm el1, Eterm el2) *lp = erts_bld_cons(hpp, szp, erts_bld_tuple(hpp, szp, 2, el1, el2), *lp); } -Eterm erts_mmap_info(int *print_to_p, +Eterm erts_mmap_info(ErtsMemMapper* mm, + int *print_to_p, void *print_to_arg, Eterm** hpp, Uint* szp, struct erts_mmap_info_struct* emis) @@ -2322,29 +2327,29 @@ Eterm erts_mmap_info(int *print_to_p, Eterm res = THE_NON_VALUE; if (!hpp) { - erts_smp_mtx_lock(&mmap_state.mtx); - emis->sizes[0] = mmap_state.size.supercarrier.total; - emis->sizes[1] = mmap_state.sa.top - mmap_state.sa.bot; - emis->sizes[2] = mmap_state.sua.top - mmap_state.sua.bot; - emis->sizes[3] = mmap_state.size.supercarrier.used.total; - emis->sizes[4] = mmap_state.size.supercarrier.used.sa; - emis->sizes[5] = mmap_state.size.supercarrier.used.sua; + erts_smp_mtx_lock(&mm->mtx); + emis->sizes[0] = mm->size.supercarrier.total; + emis->sizes[1] = mm->sa.top - mm->sa.bot; + emis->sizes[2] = mm->sua.top - mm->sua.bot; + emis->sizes[3] = mm->size.supercarrier.used.total; + emis->sizes[4] = mm->size.supercarrier.used.sa; + emis->sizes[5] = mm->size.supercarrier.used.sua; - emis->segs[0] = mmap_state.no.free_segs.curr; - emis->segs[1] = mmap_state.no.free_segs.max; - emis->segs[2] = mmap_state.no.free_seg_descs; - emis->segs[3] = mmap_state.desc.reserved; - emis->segs[4] = mmap_state.sa.map.nseg; - emis->segs[5] = mmap_state.sua.map.nseg; + emis->segs[0] = mm->no.free_segs.curr; + emis->segs[1] = mm->no.free_segs.max; + emis->segs[2] = mm->no.free_seg_descs; + emis->segs[3] = mm->desc.reserved; + emis->segs[4] = mm->sa.map.nseg; + emis->segs[5] = mm->sua.map.nseg; - emis->os_used = mmap_state.size.os.used; - erts_smp_mtx_unlock(&mmap_state.mtx); + emis->os_used = mm->size.os.used; + erts_smp_mtx_unlock(&mm->mtx); } if (print_to_p) { int to = *print_to_p; void *arg = print_to_arg; - if (mmap_state.supercarrier) { + if (mm->supercarrier) { const char* prefix = "supercarrier "; erts_print(to, arg, "%stotal size: %bpu\n", prefix, emis->sizes[0]); erts_print(to, arg, "%stotal sa size: %bpu\n", prefix, emis->sizes[1]); @@ -2359,7 +2364,7 @@ Eterm erts_mmap_info(int *print_to_p, erts_print(to, arg, "%ssa free segs: %bpu\n", prefix, emis->segs[4]); erts_print(to, arg, "%ssua free segs: %bpu\n", prefix, emis->segs[5]); } - if (!mmap_state.no_os_mmap) { + if (!mm->no_os_mmap) { erts_print(to, arg, "os mmap size used: %bpu\n", emis->os_used); } } @@ -2371,7 +2376,7 @@ Eterm erts_mmap_info(int *print_to_p, } lix = 0; - if (mmap_state.supercarrier) { + if (mm->supercarrier) { group[0] = erts_bld_atom_uword_2tup_list(hpp, szp, sizeof(size_tags)/sizeof(Eterm), size_tags, emis->sizes); @@ -2383,7 +2388,7 @@ Eterm erts_mmap_info(int *print_to_p, lix++; } - if (!mmap_state.no_os_mmap) { + if (!mm->no_os_mmap) { group[0] = erts_bld_atom_uword_2tup_list(hpp, szp, 1, &am.used, &emis->os_used); list[lix] = erts_bld_2tup_list(hpp, szp, 1, group_tags, group); @@ -2395,25 +2400,26 @@ Eterm erts_mmap_info(int *print_to_p, return res; } -Eterm erts_mmap_info_options(char *prefix, +Eterm erts_mmap_info_options(ErtsMemMapper* mm, + char *prefix, int *print_to_p, void *print_to_arg, Uint **hpp, Uint *szp) { - const UWord scs = mmap_state.sua.top - mmap_state.sa.bot; - const Eterm sco = mmap_state.no_os_mmap ? am_true : am_false; - const Eterm scrpm = (mmap_state.reserve_physical == reserve_noop) ? am_true : am_false; + const UWord scs = mm->sua.top - mm->sa.bot; + const Eterm sco = mm->no_os_mmap ? am_true : am_false; + const Eterm scrpm = (mm->reserve_physical == reserve_noop) ? am_true : am_false; Eterm res = THE_NON_VALUE; if (print_to_p) { int to = *print_to_p; void *arg = print_to_arg; erts_print(to, arg, "%sscs: %bpu\n", prefix, scs); - if (mmap_state.supercarrier) { + if (mm->supercarrier) { erts_print(to, arg, "%ssco: %T\n", prefix, sco); erts_print(to, arg, "%sscrpm: %T\n", prefix, scrpm); - erts_print(to, arg, "%sscrfsd: %beu\n", prefix, mmap_state.desc.reserved); + erts_print(to, arg, "%sscrfsd: %beu\n", prefix, mm->desc.reserved); } } @@ -2423,9 +2429,9 @@ Eterm erts_mmap_info_options(char *prefix, } res = NIL; - if (mmap_state.supercarrier) { + if (mm->supercarrier) { add_2tup(hpp, szp, &res, am.scrfsd, - erts_bld_uint(hpp,szp, mmap_state.desc.reserved)); + erts_bld_uint(hpp,szp, mm->desc.reserved)); add_2tup(hpp, szp, &res, am.scrpm, scrpm); add_2tup(hpp, szp, &res, am.sco, sco); } @@ -2435,9 +2441,9 @@ Eterm erts_mmap_info_options(char *prefix, } -Eterm erts_mmap_debug_info(Process* p) +Eterm erts_mmap_debug_info(ErtsMemMapper* mm, Process* p) { - if (mmap_state.supercarrier) { + if (mm->supercarrier) { ERTS_DECL_AM(sabot); ERTS_DECL_AM(satop); ERTS_DECL_AM(suabot); @@ -2448,14 +2454,14 @@ Eterm erts_mmap_debug_info(Process* p) Eterm *hp, *hp_end; Uint may_need; - erts_smp_mtx_lock(&mmap_state.mtx); - values[0] = (UWord)mmap_state.sa.bot; - values[1] = (UWord)mmap_state.sa.top; - values[2] = (UWord)mmap_state.sua.bot; - values[3] = (UWord)mmap_state.sua.top; - sa_list = build_free_seg_list(p, &mmap_state.sa.map); - sua_list = build_free_seg_list(p, &mmap_state.sua.map); - erts_smp_mtx_unlock(&mmap_state.mtx); + erts_smp_mtx_lock(&mm->mtx); + values[0] = (UWord)mm->sa.bot; + values[1] = (UWord)mm->sa.top; + values[2] = (UWord)mm->sua.bot; + values[3] = (UWord)mm->sua.top; + sa_list = build_free_seg_list(p, &mm->sa.map); + sua_list = build_free_seg_list(p, &mm->sua.map); + erts_smp_mtx_unlock(&mm->mtx); may_need = 4*(2+3+2) + 2*(2+3); hp = HAlloc(p, may_need); diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h index 51f830d045..8707c23527 100644 --- a/erts/emulator/sys/common/erl_mmap.h +++ b/erts/emulator/sys/common/erl_mmap.h @@ -50,23 +50,26 @@ typedef struct { #define ERTS_MMAP_INIT_DEFAULT_INITER \ {{NULL, NULL}, {NULL, NULL}, 0, 1, (1 << 16), 1} -void *erts_mmap(Uint32 flags, UWord *sizep); -void erts_munmap(Uint32 flags, void *ptr, UWord size); -void *erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep); -int erts_mmap_in_supercarrier(void *ptr); -void erts_mmap_init(ErtsMMapInit*); +typedef struct ErtsMemMapper_ ErtsMemMapper; +extern ErtsMemMapper erts_dflt_mmapper; +void *erts_mmap(ErtsMemMapper*, Uint32 flags, UWord *sizep); +void erts_munmap(ErtsMemMapper*, Uint32 flags, void *ptr, UWord size); +void *erts_mremap(ErtsMemMapper*, Uint32 flags, void *ptr, UWord old_size, UWord *sizep); +int erts_mmap_in_supercarrier(ErtsMemMapper*, void *ptr); +void erts_mmap_init(ErtsMemMapper*, ErtsMMapInit*); struct erts_mmap_info_struct { UWord sizes[6]; UWord segs[6]; UWord os_used; }; -Eterm erts_mmap_info(int *print_to_p, void *print_to_arg, +Eterm erts_mmap_info(ErtsMemMapper*, int *print_to_p, void *print_to_arg, Eterm** hpp, Uint* szp, struct erts_mmap_info_struct*); -Eterm erts_mmap_info_options(char *prefix, int *print_to_p, void *print_to_arg, +Eterm erts_mmap_info_options(ErtsMemMapper*, + char *prefix, int *print_to_p, void *print_to_arg, Uint **hpp, Uint *szp); struct process; -Eterm erts_mmap_debug_info(struct process*); +Eterm erts_mmap_debug_info(ErtsMemMapper*, struct process*); #define ERTS_SUPERALIGNED_SIZE \ (1 << ERTS_MMAP_SUPERALIGNED_BITS) diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c index 7eb8a4a460..aadcc755c1 100644 --- a/erts/emulator/sys/common/erl_mseg.c +++ b/erts/emulator/sys/common/erl_mseg.c @@ -291,7 +291,7 @@ mseg_create(ErtsMsegAllctr_t *ma, Uint flags, UWord *sizep) if (MSEG_FLG_IS_2POW(flags)) mmap_flags |= ERTS_MMAPFLG_SUPERALIGNED; - seg = erts_mmap(mmap_flags, sizep); + seg = erts_mmap(&erts_dflt_mmapper, mmap_flags, sizep); #ifdef ERTS_PRINT_ERTS_MMAP erts_fprintf(stderr, "%p = erts_mmap(%s, {%bpu, %bpu});\n", seg, @@ -311,7 +311,7 @@ mseg_destroy(ErtsMsegAllctr_t *ma, Uint flags, void *seg_p, UWord size) { if (MSEG_FLG_IS_2POW(flags)) mmap_flags |= ERTS_MMAPFLG_SUPERALIGNED; - erts_munmap(mmap_flags, seg_p, size); + erts_munmap(&erts_dflt_mmapper, mmap_flags, seg_p, size); #ifdef ERTS_PRINT_ERTS_MMAP erts_fprintf(stderr, "erts_munmap(%s, %p, %bpu);\n", (mmap_flags & ERTS_MMAPFLG_SUPERALIGNED) ? "sa" : "sua", @@ -332,7 +332,7 @@ mseg_recreate(ErtsMsegAllctr_t *ma, Uint flags, void *old_seg, UWord old_size, U if (MSEG_FLG_IS_2POW(flags)) mmap_flags |= ERTS_MMAPFLG_SUPERALIGNED; - new_seg = erts_mremap(mmap_flags, old_seg, old_size, sizep); + new_seg = erts_mremap(&erts_dflt_mmapper, mmap_flags, old_seg, old_size, sizep); #ifdef ERTS_PRINT_ERTS_MMAP erts_fprintf(stderr, "%p = erts_mremap(%s, %p, %bpu, {%bpu, %bpu});\n", @@ -997,7 +997,8 @@ info_options(ErtsMsegAllctr_t *ma, { Eterm res; - res = erts_mmap_info_options(prefix, print_to_p, print_to_arg, hpp, szp); + res = erts_mmap_info_options(&erts_dflt_mmapper, + prefix, print_to_p, print_to_arg, hpp, szp); if (print_to_p) { int to = *print_to_p; @@ -1401,7 +1402,7 @@ erts_mseg_init(ErtsMsegInit_t *init) erts_mtx_init(&init_atoms_mutex, "mseg_init_atoms"); - erts_mmap_init(&init->mmap); + erts_mmap_init(&erts_dflt_mmapper, &init->mmap); if (!IS_2POW(GET_PAGE_SIZE)) erl_exit(ERTS_ABORT_EXIT, "erts_mseg: Unexpected page_size %beu\n", GET_PAGE_SIZE); |