From f74e61f05626503cc5e469b940bdb149c98d7ab8 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 22 Jul 2000 02:16:52 +0000 Subject: Update. 2000-07-21 Wolfram Gloger * 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. --- ChangeLog | 8 +++++++- malloc/malloc.c | 9 ++++++--- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index ddb72d8710..342c1fe6a4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2000-07-21 Wolfram Gloger + + * malloc/malloc.c (chunk_alloc): Try mmap_chunk() for smaller + allocations only if a non-main arena cannot be extended. + 2000-07-21 Ulrich Drepper * elf/dl-load.c (_dl_map_object): Take loader==NULL into account @@ -21,7 +26,8 @@ 2000-07-21 Greg McGary - * sysdeps/powerpc/bp-asm.h (DISCARD_BOUNDS): Rename from UNCHECK_BOUNDS. + * sysdeps/powerpc/bp-asm.h (DISCARD_BOUNDS): Rename from + UNCHECK_BOUNDS. * sysdeps/powerpc/bits/setjmp.h (JB_SIZE): New constant. * sysdeps/powerpc/elf/libc-start.c (__libc_start_main): Wrap bounds around argv & envp and each of their string members. diff --git a/malloc/malloc.c b/malloc/malloc.c index 68d8752de6..ce8de8015b 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 */ -- cgit v1.2.3