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-rw-r--r--erts/doc/src/erts_alloc.xml16
-rw-r--r--erts/emulator/beam/erl_alloc.c34
-rw-r--r--erts/emulator/beam/erl_alloc_util.c8
-rw-r--r--erts/emulator/beam/erl_alloc_util.h2
-rw-r--r--erts/emulator/sys/common/erl_mmap.c103
-rw-r--r--erts/emulator/sys/common/erl_mmap.h16
-rw-r--r--erts/emulator/sys/common/erl_mseg.c10
-rw-r--r--erts/emulator/sys/common/erl_mseg.h2
8 files changed, 40 insertions, 151 deletions
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index 049ffe560a..53e136d76c 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -68,8 +68,7 @@
fixed size data types.</item>
<tag><c>exec_alloc</c></tag>
<item>Allocator used by the <seealso marker="hipe:HiPE_app"><c>HiPE</c></seealso>
- application for native executable code on specific architectures
- (x86_64).</item>
+ application for native executable code.</item>
<tag><c>std_alloc</c></tag>
<item>Allocator used for most memory blocks not allocated through any of
the other allocators described above.</item>
@@ -723,19 +722,6 @@
</section>
<section>
- <title>Special Flag for exec_alloc</title>
- <taglist>
- <tag><marker id="MXscs"/><c><![CDATA[+MXscs <size in MB>]]></c></tag>
- <item>
- <p><c>exec_alloc</c> super carrier size (in MB). The amount of
- <em>virtual</em> address space reserved for native executable code
- used by the <seealso marker="hipe:HiPE_app"><c>HiPE</c></seealso> application
- on specific architectures (x86_64). Defaults to <c>512</c>.</p>
- </item>
- </taglist>
- </section>
-
- <section>
<title>Instrumentation Flags</title>
<taglist>
<tag><marker id="Mim"/><c>+Mim true|false</c></tag>
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index fa49096d2c..f7f5506a72 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -366,16 +366,9 @@ set_default_exec_alloc_opts(struct au_init *ip)
ip->init.util.rmbcmt = 0;
ip->init.util.acul = 0;
-# ifdef ERTS_HAVE_EXEC_MMAPPER
- ip->init.util.mseg_alloc = &erts_alcu_mmapper_mseg_alloc;
- ip->init.util.mseg_realloc = &erts_alcu_mmapper_mseg_realloc;
- ip->init.util.mseg_dealloc = &erts_alcu_mmapper_mseg_dealloc;
- ip->init.util.mseg_mmapper = &erts_exec_mmapper;
-# else
ip->init.util.mseg_alloc = &erts_alcu_exec_mseg_alloc;
ip->init.util.mseg_realloc = &erts_alcu_exec_mseg_realloc;
ip->init.util.mseg_dealloc = &erts_alcu_exec_mseg_dealloc;
-# endif
}
#endif /* ERTS_ALC_A_EXEC */
@@ -1568,10 +1561,8 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
break;
case 'X':
if (has_prefix("scs", argv[i]+3)) {
-#ifdef ERTS_HAVE_EXEC_MMAPPER
- init->mseg.exec_mmap.scs =
-#endif
- get_mb_value(argv[i]+6, argv, &i);
+ /* Ignore obsolete */
+ (void) get_mb_value(argv[i]+6, argv, &i);
}
else
handle_au_arg(&init->exec_alloc, &argv[i][3], argv, &i, 0);
@@ -2833,10 +2824,6 @@ erts_allocator_info(fmtfn_t to, void *arg)
erts_print(to, arg, "=allocator:erts_mmap.literal_mmap\n");
erts_mmap_info(&erts_literal_mmapper, &to, arg, NULL, NULL, &emis);
#endif
-#ifdef ERTS_HAVE_EXEC_MMAPPER
- erts_print(to, arg, "=allocator:erts_mmap.exec_mmap\n");
- erts_mmap_info(&erts_exec_mmapper, &to, arg, NULL, NULL, &emis);
-#endif
}
#endif
@@ -2991,9 +2978,6 @@ erts_allocator_options(void *proc)
#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
terms[length++] = ERTS_MAKE_AM("literal_mmap");
#endif
-#ifdef ERTS_HAVE_EXEC_MMAPPER
- terms[length++] = ERTS_MAKE_AM("exec_mmap");
-#endif
features = length ? erts_bld_list(hpp, szp, length, terms) : NIL;
#if defined(__GLIBC__)
@@ -3083,9 +3067,6 @@ reply_alloc_info(void *vair)
# if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
struct erts_mmap_info_struct mmap_info_literal;
# endif
-# ifdef ERTS_HAVE_EXEC_MMAPPER
- struct erts_mmap_info_struct mmap_info_exec;
-# endif
#endif
int i;
Eterm (*info_func)(Allctr_t *,
@@ -3214,17 +3195,6 @@ reply_alloc_info(void *vair)
erts_bld_atom(hpp,szp,"literal_mmap"),
ainfo);
# endif
-# ifdef ERTS_HAVE_EXEC_MMAPPER
- ai_list = erts_bld_cons(hpp, szp,
- ainfo, ai_list);
- ainfo = (air->only_sz ? NIL :
- erts_mmap_info(&erts_exec_mmapper, NULL, NULL,
- hpp, szp, &mmap_info_exec));
- ainfo = erts_bld_tuple3(hpp, szp,
- alloc_atom,
- erts_bld_atom(hpp,szp,"exec_mmap"),
- ainfo);
-# endif
#else /* !HAVE_ERTS_MMAP */
ainfo = erts_bld_tuple2(hpp, szp, alloc_atom,
am_false);
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index d178c2c2c2..e148be7af6 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -874,7 +874,7 @@ erts_alcu_literal_32_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size,
#elif defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
/* For allocators that have their own mmapper (super carrier),
- * like literal_alloc and exec_alloc on amd64
+ * like literal_alloc.
*/
void*
erts_alcu_mmapper_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
@@ -916,10 +916,10 @@ erts_alcu_mmapper_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size,
}
#endif /* ARCH_64 && ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION */
-#if defined(ERTS_ALC_A_EXEC) && !defined(ERTS_HAVE_EXEC_MMAPPER)
+#if defined(ERTS_ALC_A_EXEC)
/*
- * For exec_alloc on non-amd64 that just need memory with PROT_EXEC
+ * For exec_alloc that need memory with PROT_EXEC
*/
void*
erts_alcu_exec_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
@@ -958,7 +958,7 @@ erts_alcu_exec_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size, Uint flags)
ASSERT(r == 0); (void)r;
erts_alcu_mseg_dealloc(allctr, seg, size, flags);
}
-#endif /* ERTS_ALC_A_EXEC && !ERTS_HAVE_EXEC_MMAPPER */
+#endif /* ERTS_ALC_A_EXEC */
#endif /* HAVE_ERTS_MSEG */
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 9a6de2bb75..05c8a0db3b 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -205,7 +205,7 @@ void* erts_alcu_mmapper_mseg_realloc(Allctr_t*, void *seg, Uint old_size, Uint *
void erts_alcu_mmapper_mseg_dealloc(Allctr_t*, void *seg, Uint size, Uint flags);
# endif
-# if defined(ERTS_ALC_A_EXEC) && !defined(ERTS_HAVE_EXEC_MMAPPER)
+# if defined(ERTS_ALC_A_EXEC)
void* erts_alcu_exec_mseg_alloc(Allctr_t*, Uint *size_p, Uint flags);
void* erts_alcu_exec_mseg_realloc(Allctr_t*, void *seg, Uint old_size, Uint *new_size_p);
void erts_alcu_exec_mseg_dealloc(Allctr_t*, void *seg, Uint size, Uint flags);
diff --git a/erts/emulator/sys/common/erl_mmap.c b/erts/emulator/sys/common/erl_mmap.c
index a9c6e72c5f..5dadd8a5a6 100644
--- a/erts/emulator/sys/common/erl_mmap.c
+++ b/erts/emulator/sys/common/erl_mmap.c
@@ -296,11 +296,10 @@ typedef struct {
}ErtsFreeSegMap;
struct ErtsMemMapper_ {
- int (*reserve_physical)(char *, UWord, int exec);
+ int (*reserve_physical)(char *, UWord);
void (*unreserve_physical)(char *, UWord);
int supercarrier;
int no_os_mmap;
- int executable; /* is client a native code allocator? */
/*
* Super unaligned area is located above super aligned
* area. That is, `sa.bot` is beginning of the super
@@ -358,10 +357,6 @@ char* erts_literals_start;
UWord erts_literals_size;
#endif
-#ifdef ERTS_HAVE_EXEC_MMAPPER
-ErtsMemMapper erts_exec_mmapper;
-#endif
-
#define ERTS_MMAP_SIZE_SC_SA_INC(SZ) \
do { \
@@ -1240,7 +1235,6 @@ Eterm build_free_seg_list(Process* p, ErtsFreeSegMap* map)
#if HAVE_MMAP
# define ERTS_MMAP_PROT (PROT_READ|PROT_WRITE)
-# define ERTS_MMAP_PROT_EXEC (PROT_READ|PROT_WRITE|PROT_EXEC)
# if defined(MAP_ANONYMOUS)
# define ERTS_MMAP_FLAGS (MAP_ANON|MAP_PRIVATE)
# define ERTS_MMAP_FD (-1)
@@ -1254,26 +1248,24 @@ Eterm build_free_seg_list(Process* p, ErtsFreeSegMap* map)
#endif
static ERTS_INLINE void *
-os_mmap(void *hint_ptr, UWord size, int try_superalign, int executable)
+os_mmap(void *hint_ptr, UWord size, int try_superalign)
{
#if HAVE_MMAP
- const int prot = executable ? ERTS_MMAP_PROT_EXEC : ERTS_MMAP_PROT;
void *res;
#ifdef MAP_ALIGN
if (try_superalign)
- res = mmap((void *) ERTS_SUPERALIGNED_SIZE, size, prot,
+ res = mmap((void *) ERTS_SUPERALIGNED_SIZE, size, ERTS_MMAP_PROT,
ERTS_MMAP_FLAGS|MAP_ALIGN, ERTS_MMAP_FD, 0);
else
#endif
- res = mmap((void *) hint_ptr, size, prot,
+ res = mmap((void *) hint_ptr, size, ERTS_MMAP_PROT,
ERTS_MMAP_FLAGS, ERTS_MMAP_FD, 0);
if (res == MAP_FAILED)
return NULL;
return res;
#elif HAVE_VIRTUALALLOC
- const DWORD prot = executable ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
return (void *) VirtualAlloc(NULL, (SIZE_T) size,
- MEM_COMMIT|MEM_RESERVE, prot);
+ MEM_COMMIT|MEM_RESERVE, PAGE_READWRITE);
#else
# error "missing mmap() or similar"
#endif
@@ -1330,7 +1322,6 @@ os_mremap(void *ptr, UWord old_size, UWord new_size, int try_superalign)
#if HAVE_MMAP
#define ERTS_MMAP_RESERVE_PROT (ERTS_MMAP_PROT)
-#define ERTS_MMAP_RESERVE_PROT_EXEC (ERTS_MMAP_PROT_EXEC)
#define ERTS_MMAP_RESERVE_FLAGS (ERTS_MMAP_FLAGS|MAP_FIXED)
#define ERTS_MMAP_UNRESERVE_PROT (PROT_NONE)
#if defined(__FreeBSD__)
@@ -1346,10 +1337,9 @@ os_mremap(void *ptr, UWord old_size, UWord new_size, int try_superalign)
#endif /* __FreeBSD__ */
static int
-os_reserve_physical(char *ptr, UWord size, int exec)
+os_reserve_physical(char *ptr, UWord size)
{
- const int prot = exec ? ERTS_MMAP_RESERVE_PROT_EXEC : ERTS_MMAP_RESERVE_PROT;
- void *res = mmap((void *) ptr, (size_t) size, prot,
+ void *res = mmap((void *) ptr, (size_t) size, ERTS_MMAP_RESERVE_PROT,
ERTS_MMAP_RESERVE_FLAGS, ERTS_MMAP_FD, 0);
if (res == (void *) MAP_FAILED)
return 0;
@@ -1366,37 +1356,11 @@ os_unreserve_physical(char *ptr, UWord size)
}
static void *
-os_mmap_virtual(char *ptr, UWord size, int exec)
+os_mmap_virtual(char *ptr, UWord size)
{
int flags = ERTS_MMAP_VIRTUAL_FLAGS;
void* res;
-#ifdef ERTS_ALC_A_EXEC
- if (exec) {
- ASSERT(!ptr);
- /* OTP-19.0: Nice hack below cut-and-pasted from hipe_amd64.c */
-
-# ifdef MAP_32BIT
- /* If we got MAP_32BIT (Linux), then use that to ask for low memory */
- flags |= MAP_32BIT;
-# else
- /* FreeBSD doesn't have MAP_32BIT, and it doesn't respect
- a plain map_hint (returns high mappings even though the
- hint refers to a free area), so we have to use both map_hint
- and MAP_FIXED to get addresses below the 2GB boundary.
- This is even worse than the Linux/ppc64 case.
- Similarly, Solaris 10 doesn't have MAP_32BIT,
- and it doesn't respect a plain map_hint. */
- ptr = (char*)(512*1024*1024); /* 0.5GB */
-
-# if defined(__FreeBSD__) || defined(__sun__)
- flags |= MAP_FIXED;
-# endif
-# endif /* !MAP_32BIT */
- }
-#else /* !ERTS_ALC_A_EXEC */
- ASSERT(!exec);
-#endif
res = mmap((void *) ptr, (size_t) size, ERTS_MMAP_VIRTUAL_PROT,
flags, ERTS_MMAP_FD, 0);
if (res == (void *) MAP_FAILED)
@@ -1411,7 +1375,7 @@ os_mmap_virtual(char *ptr, UWord size, int exec)
#endif /* ERTS_HAVE_OS_MMAP */
-static int reserve_noop(char *ptr, UWord size, int exec)
+static int reserve_noop(char *ptr, UWord size)
{
#ifdef ERTS_MMAP_DEBUG_FILL_AREAS
Uint32 *uip, *end = (Uint32 *) (ptr + size);
@@ -1454,7 +1418,7 @@ alloc_desc_insert_free_seg(ErtsMemMapper* mm,
#if ERTS_HAVE_OS_MMAP
if (!mm->no_os_mmap) {
- ptr = os_mmap(mm->desc.new_area_hint, ERTS_PAGEALIGNED_SIZE, 0, 0);
+ ptr = os_mmap(mm->desc.new_area_hint, ERTS_PAGEALIGNED_SIZE, 0);
if (ptr) {
mm->desc.new_area_hint = ptr+ERTS_PAGEALIGNED_SIZE;
ERTS_MMAP_SIZE_OS_INC(ERTS_PAGEALIGNED_SIZE);
@@ -1473,7 +1437,7 @@ alloc_desc_insert_free_seg(ErtsMemMapper* mm,
da_map = &mm->sua.map;
desc = lookup_free_seg(da_map, ERTS_PAGEALIGNED_SIZE);
if (desc) {
- if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE, 0))
+ if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE))
ERTS_MMAP_SIZE_SC_SUA_INC(ERTS_PAGEALIGNED_SIZE);
else
desc = NULL;
@@ -1483,7 +1447,7 @@ alloc_desc_insert_free_seg(ErtsMemMapper* mm,
da_map = &mm->sa.map;
desc = lookup_free_seg(da_map, ERTS_PAGEALIGNED_SIZE);
if (desc) {
- if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE, 0))
+ if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE))
ERTS_MMAP_SIZE_SC_SA_INC(ERTS_PAGEALIGNED_SIZE);
else
desc = NULL;
@@ -1544,7 +1508,7 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
if (desc) {
seg = desc->start;
end = seg+asize;
- if (!mm->reserve_physical(seg, asize, mm->executable))
+ if (!mm->reserve_physical(seg, asize))
goto supercarrier_reserve_failure;
if (desc->end == end) {
delete_free_seg(&mm->sua.map, desc);
@@ -1559,8 +1523,7 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
}
if (asize <= mm->sua.bot - mm->sa.top) {
- if (!mm->reserve_physical(mm->sua.bot - asize, asize,
- mm->executable))
+ if (!mm->reserve_physical(mm->sua.bot - asize, asize))
goto supercarrier_reserve_failure;
mm->sua.bot -= asize;
seg = mm->sua.bot;
@@ -1576,8 +1539,7 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
char *start = seg = desc->start;
seg = (char *) ERTS_SUPERALIGNED_CEILING(seg);
end = seg+asize;
- if (!mm->reserve_physical(start, (UWord) (end - start),
- mm->executable))
+ if (!mm->reserve_physical(start, (UWord) (end - start)))
goto supercarrier_reserve_failure;
ERTS_MMAP_SIZE_SC_SA_INC(asize);
if (desc->end == end) {
@@ -1609,8 +1571,7 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
if (asize + (seg - start) <= mm->sua.bot - start) {
end = seg + asize;
- if (!mm->reserve_physical(start, (UWord) (end - start),
- mm->executable))
+ if (!mm->reserve_physical(start, (UWord) (end - start)))
goto supercarrier_reserve_failure;
mm->sa.top = end;
ERTS_MMAP_SIZE_SC_SA_INC(asize);
@@ -1632,8 +1593,7 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
seg = (char *) ERTS_SUPERALIGNED_CEILING(org_start);
end = seg + asize;
- if (!mm->reserve_physical(seg, (UWord) (org_end - seg),
- mm->executable))
+ if (!mm->reserve_physical(seg, (UWord) (org_end - seg)))
goto supercarrier_reserve_failure;
ERTS_MMAP_SIZE_SC_SUA_INC(asize);
if (org_start != seg) {
@@ -1666,13 +1626,13 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
/* Map using OS primitives */
if (!(ERTS_MMAPFLG_SUPERCARRIER_ONLY & flags) && !mm->no_os_mmap) {
if (!(ERTS_MMAPFLG_SUPERALIGNED & flags)) {
- seg = os_mmap(NULL, asize, 0, mm->executable);
+ seg = os_mmap(NULL, asize, 0);
if (!seg)
goto failure;
}
else {
asize = ERTS_SUPERALIGNED_CEILING(*sizep);
- seg = os_mmap(NULL, asize, 1, mm->executable);
+ seg = os_mmap(NULL, asize, 1);
if (!seg)
goto failure;
@@ -1682,8 +1642,7 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
os_munmap(seg, asize);
- ptr = os_mmap(NULL, asize + ERTS_SUPERALIGNED_SIZE, 1,
- mm->executable);
+ ptr = os_mmap(NULL, asize + ERTS_SUPERALIGNED_SIZE, 1);
if (!ptr)
goto failure;
@@ -2018,8 +1977,7 @@ erts_mremap(ErtsMemMapper* mm,
if (next && new_end <= next->end) {
if (!mm->reserve_physical(((char *) ptr) + old_size,
- asize - old_size,
- mm->executable))
+ asize - old_size))
goto supercarrier_reserve_failure;
if (new_end < next->end)
resize_free_seg(&mm->sua.map, next, new_end, next->end);
@@ -2037,8 +1995,7 @@ erts_mremap(ErtsMemMapper* mm,
if (end == mm->sa.top) {
if (new_end <= mm->sua.bot) {
if (!mm->reserve_physical(((char *) ptr) + old_size,
- asize - old_size,
- mm->executable))
+ asize - old_size))
goto supercarrier_reserve_failure;
mm->sa.top = new_end;
new_ptr = ptr;
@@ -2050,8 +2007,7 @@ erts_mremap(ErtsMemMapper* mm,
adjacent_free_seg(&mm->sa.map, start, end, &prev, &next);
if (next && new_end <= next->end) {
if (!mm->reserve_physical(((char *) ptr) + old_size,
- asize - old_size,
- mm->executable))
+ asize - old_size))
goto supercarrier_reserve_failure;
if (new_end < next->end)
resize_free_seg(&mm->sa.map, next, new_end, next->end);
@@ -2171,7 +2127,7 @@ static void hard_dbg_mseg_init(void);
#endif
void
-erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
+erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
{
static int is_first_call = 1;
int virtual_map = 0;
@@ -2203,7 +2159,6 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
mm->supercarrier = 0;
mm->reserve_physical = reserve_noop;
mm->unreserve_physical = unreserve_noop;
- mm->executable = executable;
#if HAVE_MMAP && !defined(MAP_ANON)
mm->mmap_fd = open("/dev/zero", O_RDWR);
@@ -2225,7 +2180,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
ptr = (char *) ERTS_PAGEALIGNED_CEILING(init->virtual_range.start);
end = (char *) ERTS_PAGEALIGNED_FLOOR(init->virtual_range.end);
sz = end - ptr;
- start = os_mmap_virtual(ptr, sz, executable);
+ start = os_mmap_virtual(ptr, sz);
if (!start || start > ptr || start >= end)
erts_exit(1,
"erts_mmap: Failed to create virtual range for super carrier\n");
@@ -2250,7 +2205,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
sz = ERTS_PAGEALIGNED_CEILING(init->scs);
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
if (!init->scrpm) {
- start = os_mmap_virtual(NULL, sz, executable);
+ start = os_mmap_virtual(NULL, sz);
mm->reserve_physical = os_reserve_physical;
mm->unreserve_physical = os_unreserve_physical;
virtual_map = 1;
@@ -2262,7 +2217,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
* The whole supercarrier will by physically
* reserved all the time.
*/
- start = os_mmap(NULL, sz, 1, executable);
+ start = os_mmap(NULL, sz, 1);
}
if (!start)
erts_exit(1,
@@ -2336,7 +2291,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
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(mm->sua.top, ERTS_PAGEALIGNED_SIZE, 0))
+ if (!virtual_map || os_reserve_physical(mm->sua.top, ERTS_PAGEALIGNED_SIZE))
#endif
add_free_desc_area(mm, mm->sua.top, end);
mm->desc.reserved += (end - mm->sua.top) / sizeof(ErtsFreeSegDesc);
@@ -2349,7 +2304,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
* will be used for free segment descritors.
*/
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
- if (virtual_map && !os_reserve_physical(start, mm->sa.bot - start, 0))
+ if (virtual_map && !os_reserve_physical(start, mm->sa.bot - start))
erts_exit(1, "erts_mmap: Failed to reserve physical memory for descriptors\n");
#endif
mm->desc.unused_start = start;
diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h
index 2a07d93c8c..c1f9668b18 100644
--- a/erts/emulator/sys/common/erl_mmap.h
+++ b/erts/emulator/sys/common/erl_mmap.h
@@ -93,11 +93,6 @@ typedef struct {
#define ERTS_MMAP_INIT_LITERAL_INITER \
{{NULL, NULL}, {NULL, NULL}, ERTS_LITERAL_VIRTUAL_AREA_SIZE, 1, (1 << 10), 0}
-#define ERTS_HIPE_EXEC_VIRTUAL_AREA_SIZE (UWORD_CONSTANT(512)*1024*1024)
-
-#define ERTS_MMAP_INIT_HIPE_EXEC_INITER \
- {{NULL, NULL}, {NULL, NULL}, ERTS_HIPE_EXEC_VIRTUAL_AREA_SIZE, 1, (1 << 10), 0}
-
#define ERTS_SUPERALIGNED_SIZE \
(1 << ERTS_MMAP_SUPERALIGNED_BITS)
@@ -140,7 +135,7 @@ 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*, int executable);
+void erts_mmap_init(ErtsMemMapper*, ErtsMMapInit*);
struct erts_mmap_info_struct
{
UWord sizes[6];
@@ -165,15 +160,6 @@ extern ErtsMemMapper erts_dflt_mmapper;
extern ErtsMemMapper erts_literal_mmapper;
# endif
-# if defined(ERTS_ALC_A_EXEC) && defined(__x86_64__)
- /*
- * On x86_64, exec_alloc employs its own super carrier 'erts_exec_mmaper'
- * to ensure low memory for HiPE AMD64 small code model.
- */
-# define ERTS_HAVE_EXEC_MMAPPER
-extern ErtsMemMapper erts_exec_mmapper;
-# endif
-
# endif /* ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION */
#endif /* ERTS_WANT_MEM_MAPPERS */
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index bf6de9b13a..ced3d61525 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -1406,15 +1406,9 @@ erts_mseg_init(ErtsMsegInit_t *init)
erts_mtx_init(&init_atoms_mutex, "mseg_init_atoms", NIL,
ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC);
-#ifdef ERTS_HAVE_EXEC_MMAPPER
- /* Initialize erts_exec_mapper *FIRST*, to increase probability
- * of getting low memory for HiPE AMD64's small code model.
- */
- erts_mmap_init(&erts_exec_mmapper, &init->exec_mmap, 1);
-#endif
- erts_mmap_init(&erts_dflt_mmapper, &init->dflt_mmap, 0);
+ erts_mmap_init(&erts_dflt_mmapper, &init->dflt_mmap);
#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
- erts_mmap_init(&erts_literal_mmapper, &init->literal_mmap, 0);
+ erts_mmap_init(&erts_literal_mmapper, &init->literal_mmap);
#endif
if (!IS_2POW(GET_PAGE_SIZE))
diff --git a/erts/emulator/sys/common/erl_mseg.h b/erts/emulator/sys/common/erl_mseg.h
index bba0dec499..af275c18be 100644
--- a/erts/emulator/sys/common/erl_mseg.h
+++ b/erts/emulator/sys/common/erl_mseg.h
@@ -61,7 +61,6 @@ typedef struct {
Uint nos;
ErtsMMapInit dflt_mmap;
ErtsMMapInit literal_mmap;
- ErtsMMapInit exec_mmap;
} ErtsMsegInit_t;
#define ERTS_MSEG_INIT_DEFAULT_INITIALIZER \
@@ -72,7 +71,6 @@ typedef struct {
1000, /* cci: Cache check interval */ \
ERTS_MMAP_INIT_DEFAULT_INITER, \
ERTS_MMAP_INIT_LITERAL_INITER, \
- ERTS_MMAP_INIT_HIPE_EXEC_INITER \
}
typedef struct {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 08:18:23 +0000