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Diffstat (limited to 'erts/emulator/sys/common/erl_mseg.c')
-rw-r--r--erts/emulator/sys/common/erl_mseg.c31
1 files changed, 3 insertions, 28 deletions
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index 747c2e2a80..7b42c3e829 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -96,21 +96,12 @@ static void *pmremap(void *old_address, size_t old_size,
#define MMAP_PROT (PROT_READ|PROT_WRITE)
-#if HALFWORD_HEAP
-# ifdef MAP_32BIT
-# define RANGE_FLAG (MAP_32BIT)
-# else
-# error "Cannot have halfword heap if unable to restrict mmap areas
-# endif
-#else
-# define RANGE_FLAG (0)
-#endif
#ifdef MAP_ANON
-# define MMAP_FLAGS (MAP_ANON|MAP_PRIVATE|RANGE_FLAG)
+# define MMAP_FLAGS (MAP_ANON|MAP_PRIVATE)
# define MMAP_FD (-1)
#else
-# define MMAP_FLAGS (MAP_PRIVATE|RANGE_FLAG)
+# define MMAP_FLAGS (MAP_PRIVATE)
# define MMAP_FD mmap_fd
static int mmap_fd;
#endif
@@ -1342,20 +1333,6 @@ erts_mseg_unit_size(void)
{
return page_size;
}
-#if HAVE_MMAP && HALFWORD_HEAP
-#ifdef MAP_NORESERVE
-#define RESERVE_FLAGS (MMAP_FLAGS | MAP_NORESERVE)
-#else
-#define RESERVE_FLAGS (MMAP_FLAGS)
-#endif
-static void halfword_reserve(void)
-{
-#if HALFWORD_HEAP
- initialize_pmmap();
-#endif
- return;
-}
-#endif
void
erts_mseg_init(ErtsMsegInit_t *init)
@@ -1385,7 +1362,7 @@ erts_mseg_init(ErtsMsegInit_t *init)
#endif
#if HAVE_MMAP && HALFWORD_HEAP
- halfword_reserve();
+ initialize_pmmap();
#endif
page_size = GET_PAGE_SIZE;
@@ -1740,8 +1717,6 @@ static void *pmmap(size_t size)
/* nice, perfect fit */
res = *block;
*block = (*block)->next;
- //fprintf(stderr,"***** %p,%p,%ld,%p\n",res,*block,num_pages,first);
- //dump_freelist();
} else {
tail = (FreeBlock *) (((char *) ((void *) (*block))) + real_size);
if (!do_map(tail,pagsz)) {