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| author | Ulrich Drepper <drepper@redhat.com> | 2000-07-22 02:16:52 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-07-22 02:16:52 +0000 |
| commit | f74e61f05626503cc5e469b940bdb149c98d7ab8 (patch) | |
| tree | 9ad75ab5388fcecef7d2718aca473d4c97900ae7 /malloc | |
| parent | 58bad8033d028e42b9585ffa9e2eaac29901368a (diff) | |
| download | glibc-f74e61f05626503cc5e469b940bdb149c98d7ab8.zip glibc-f74e61f05626503cc5e469b940bdb149c98d7ab8.tar.gz glibc-f74e61f05626503cc5e469b940bdb149c98d7ab8.tar.bz2 | |
Update.
2000-07-21 Wolfram Gloger <wg@malloc.de>
* malloc/malloc.c (chunk_alloc): Try mmap_chunk() for smaller
allocations only if a non-main arena cannot be extended.
* sysdeps/powerpc/bp-asm.h (DISCARD_BOUNDS): Rename from
UNCHECK_BOUNDS.
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/malloc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index 68d8752..ce8de80 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -2938,9 +2938,12 @@ chunk_alloc(ar_ptr, nb) arena *ar_ptr; INTERNAL_SIZE_T nb; if ((remainder_size = chunksize(top(ar_ptr)) - nb) < (long)MINSIZE) { #if HAVE_MMAP - /* A last attempt: when we are out of address space in the arena, - try mmap anyway, as long as it is allowed at all. */ - if (n_mmaps_max > 0 && (victim = mmap_chunk(nb)) != 0) + /* A last attempt: when we are out of address space in a + non-main arena, try mmap anyway, as long as it is allowed at + all. */ + if (ar_ptr != &main_arena && + n_mmaps_max > 0 && + (victim = mmap_chunk(nb)) != 0) return victim; #endif return 0; /* propagate failure */ |