Merge PR-1699 from sverker/hipe-amd64-high-code/OTP-14951

Remove low memory need for HiPE on x86_64

3 files changed, 7 insertions, 37 deletions

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);