2000-06-28  Wolfram Gloger  <wg@malloc.de>

	* malloc/malloc.c (chunk_alloc): If extension of the linear heap
	fails, try mmap_chunk() as a last resort even though n_mmaps_max
	may have been reached.
This commit is contained in:
Ulrich Drepper 2000-06-28 23:28:29 +00:00
parent 5295113f8f
commit 07c35131ad
5 changed files with 1978 additions and 1875 deletions

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@ -1,3 +1,9 @@
2000-06-28 Wolfram Gloger <wg@malloc.de>
* malloc/malloc.c (chunk_alloc): If extension of the linear heap
fails, try mmap_chunk() as a last resort even though n_mmaps_max
may have been reached.
2000-06-28 Ulrich Drepper <drepper@redhat.com>
* locale/programs/ld-collate.c (insert_weights): Handle <Uxxxx>

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@ -1,5 +1,8 @@
2000-06-28 Ulrich Drepper <drepper@redhat.com>
* locales/cs_CZ: Updated for new format.
Patch by Jakub Jelinek <jakub@redhat.com>.
* tests-mbwc/dat_mbrlen.c: Correct some tests. Remove old WAIVER
comments.
* tests-mbwc/tst_mbrlen.c: Enable code to respect t_ini. Also clear

File diff suppressed because it is too large Load Diff

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@ -25,9 +25,23 @@ comment_char %
% Copyright (C) 1999 Theppitak Karoonboonyanan, National Electronics and
% Computer Technology Center (NECTEC).
%
% Use and distribution of this data is hereby granted for any purpose,
% including commercial use, provided it is unaltered. Queries on use and
% content should be made to the above address.
% Permission is hereby granted, free of charge, to any person obtaining
% a copy of this software and associated documentation files (the "Software"),
% to deal in the Software without restriction, including without limitation
% the rights to use, copy, modify, merge, publish, distribute, sublicense,
% and/or sell copies of the Software, and to permit persons to whom the
% Software is furnished to do so, subject to the following conditions:
%
% The above copyright notice and this permission notice shall be included
% in all copies or substantial portions of the Software.
%
% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
% THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
% OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
% ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
% OTHER DEALINGS IN THE SOFTWARE.
%
LC_CTYPE

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@ -1872,8 +1872,6 @@ mmap_chunk(size) size_t size;
size_t page_mask = malloc_getpagesize - 1;
mchunkptr p;
if(n_mmaps >= n_mmaps_max) return 0; /* too many regions */
/* For mmapped chunks, the overhead is one SIZE_SZ unit larger, because
* there is no following chunk whose prev_size field could be used.
*/
@ -2930,8 +2928,10 @@ chunk_alloc(ar_ptr, nb) arena *ar_ptr; INTERNAL_SIZE_T nb;
{
#if HAVE_MMAP
/* If big and would otherwise need to extend, try to use mmap instead */
/* If the request is big and there are not yet too many regions,
and we would otherwise need to extend, try to use mmap instead. */
if ((unsigned long)nb >= (unsigned long)mmap_threshold &&
n_mmaps < n_mmaps_max &&
(victim = mmap_chunk(nb)) != 0)
return victim;
#endif
@ -2939,7 +2939,15 @@ chunk_alloc(ar_ptr, nb) arena *ar_ptr; INTERNAL_SIZE_T nb;
/* Try to extend */
malloc_extend_top(ar_ptr, 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, disregarding n_mmaps_max. */
if((victim = mmap_chunk(nb)) != 0)
return victim;
#endif
return 0; /* propagate failure */
}
}
victim = top(ar_ptr);