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* Remove THREAD_STATS.Ondřej Bílka2014-02-101-40/+0
| | | | | A THREAD_STATS macro duplicates gathering information that could be obtained by systemtap probes instead.
* Reformat malloc to gnu style.Ondřej Bílka2014-01-021-2069/+2214
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* Update copyright notices with scripts/update-copyrightsAllan McRae2014-01-011-1/+1
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* Fix race in free() of fastbin chunk: BZ #15073Maxim Kuvyrkov2013-12-241-8/+12
| | | | | | | | | | | | Perform sanity check only if we have_lock. Due to lockless nature of fastbins we need to be careful derefencing pointers to fastbin entries (chunksize(old) in this case) in multithreaded environments. The fix is to add have_lock to the if-condition checks. The rest of the patch only makes code more readable. * malloc/malloc.c (_int_free): Perform sanity check only if we have_lock.
* Expand MALLOC_COPY and MALLOC_ZERO to memcpy and memset.Ondřej Bílka2013-12-101-18/+5
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* Drop PER_THREAD conditionals from malloc.Ondřej Bílka2013-12-101-15/+0
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* Simplify perturb_byte logic.Ondřej Bílka2013-12-091-21/+24
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* Replace malloc force_reg by atomic_forced_read.Ondřej Bílka2013-12-091-15/+8
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* Fix BZ #15089: malloc_trim always trim for large padding.Fernando J. V. da Silva2013-12-061-33/+35
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* Make memset in calloc a tail call.Ondřej Bílka2013-11-281-2/+2
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* Add missing #include for malloc/hooks.c code.Roland McGrath2013-11-211-2/+3
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* Consolidate valloc/pvalloc code.Ondřej Bílka2013-11-201-109/+26
| | | | | To make malloc code more maintainable we make malloc and pvalloc share logic with memalign.
* Fix malloc_info statistic. Fixes bug 16112Ondřej Bílka2013-11-011-16/+4
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* malloc: Fix for infinite loop in memalign/posix_memalign.Will Newton2013-10-301-0/+8
| | | | | | | | | | | | | | | | | | | A very large alignment argument passed to mealign/posix_memalign causes _int_memalign to enter an infinite loop. Limit the maximum alignment value to the maximum representable power of two to prevent this from happening. Changelog: 2013-10-30 Will Newton <will.newton@linaro.org> [BZ #16038] * malloc/hooks.c (memalign_check): Limit alignment to the maximum representable power of two. * malloc/malloc.c (__libc_memalign): Likewise. * malloc/tst-memalign.c (do_test): Add test for very large alignment values. * malloc/tst-posix_memalign.c (do_test): Likewise.
* Use atomic operations to track memory. Fixes bug 11087Ondřej Bílka2013-10-301-12/+11
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* Remove assert in malloc statistic. Fixes bug 12486.Ondřej Bílka2013-10-181-9/+0
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* Add malloc probes for sbrk and heap resizing.Alexandre Oliva2013-09-201-1/+5
| | | | | | | | | | | | for ChangeLog * malloc/arena.c (new_heap): New memory_heap_new probe. (grow_heap): New memory_heap_more probe. (shrink_heap): New memory_heap_less probe. (heap_trim): New memory_heap_free probe. * malloc/malloc.c (sysmalloc): New memory_sbrk_more probe. (systrim): New memory_sbrk_less probe. * manual/probes.texi: Document them.
* Add probes for malloc retries.Alexandre Oliva2013-09-201-0/+6
| | | | | | | | | | | | for ChangeLog * malloc/malloc.c (__libc_malloc): Add memory_malloc_retry probe. (__libc_realloc): Add memory_realloc_retry probe. (__libc_memalign): Add memory_memalign_retry probe. (__libc_valloc): Add memory_valloc_retry probe. (__libc_pvalloc): Add memory_pvalloc_retry probe. (__libc_calloc): Add memory_calloc_retry probe. * manual/probes.texi: Document them.
* Add probes for malloc arena changes.Alexandre Oliva2013-09-201-0/+1
| | | | | | | | | | | | | for ChangeLog * malloc/arena.c (get_free_list): Add probe memory_arena_reuse_free_list. (reused_arena) [PER_THREAD]: Add probes memory_arena_reuse_wait and memory_arena_reuse. (arena_get2) [!PER_THREAD]: Likewise. * malloc/malloc.c (__libc_realloc) [!PER_THREAD]: Add probe memory_arena_reuse_realloc. * manual/probes.texi: Document them.
* Add probes for all changes to malloc options.Alexandre Oliva2013-09-201-5/+25
| | | | | | | | | for ChangeLog * malloc/malloc.c (__libc_free): Add memory_mallopt_free_dyn_thresholds probe. (__libc_mallopt): Add multiple memory_mallopt probes. * manual/probes.texi: Document them.
* Add first set of memory probes.Alexandre Oliva2013-09-201-0/+4
| | | | | | | | | | | for ChangeLog * malloc/malloc.c: Include stap-probe.h. (__libc_mallopt): Add memory_mallopt probe. * malloc/arena.c (_int_new_arena): Add memory_arena_new probe. * manual/probes.texi: New. * manual/Makefile (chapters): Add probes. * manual/threads.texi: Set next node.
* malloc: Check for integer overflow in memalign.Will Newton2013-09-111-0/+7
| | | | | | | | | | | | | | A large bytes parameter to memalign could cause an integer overflow and corrupt allocator internals. Check the overflow does not occur before continuing with the allocation. ChangeLog: 2013-09-11 Will Newton <will.newton@linaro.org> [BZ #15857] * malloc/malloc.c (__libc_memalign): Check the value of bytes does not overflow.
* malloc: Check for integer overflow in valloc.Will Newton2013-09-111-0/+7
| | | | | | | | | | | | | | A large bytes parameter to valloc could cause an integer overflow and corrupt allocator internals. Check the overflow does not occur before continuing with the allocation. ChangeLog: 2013-09-11 Will Newton <will.newton@linaro.org> [BZ #15856] * malloc/malloc.c (__libc_valloc): Check the value of bytes does not overflow.
* malloc: Check for integer overflow in pvalloc.Will Newton2013-09-111-0/+7
| | | | | | | | | | | | | | A large bytes parameter to pvalloc could cause an integer overflow and corrupt allocator internals. Check the overflow does not occur before continuing with the allocation. ChangeLog: 2013-09-11 Will Newton <will.newton@linaro.org> [BZ #15855] * malloc/malloc.c (__libc_pvalloc): Check the value of bytes does not overflow.
* Fix typos.Ondřej Bílka2013-08-291-1/+1
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* Use (void) in no-arguments function definitions.Joseph Myers2013-06-081-1/+1
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* Remove __malloc_ptr_t.Joseph Myers2013-03-081-19/+19
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* Add HAVE_MREMAP for mremap usagePino Toscano2013-01-171-8/+4
| | | | | | | | | Introduce (only on Linux) and use a HAVE_MREMAP symbol to advertize mremap availability. Move the malloc-sysdep.h include from arena.c to malloc.c, since what is provided by malloc-sysdep.h is needed earlier in malloc.c, before the inclusion of arena.c.
* Clean up __MALLOC_* macros.Joseph Myers2013-01-071-15/+11
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* Update copyright notices with scripts/update-copyrights.Joseph Myers2013-01-021-1/+1
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* Name space hygeine for madvise.Roland McGrath2012-10-041-1/+1
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* Clarify memory allocation error diagnostics to avoid confusionDmitry V. Levin2012-10-021-2/+1
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* Cleanup code duplication in malloc on fallback to use another arenaSiddhesh Poyarekar2012-09-071-75/+11
| | | | | Break the fallback code to try another arena into a separate function for readability.
* * malloc/malloc.c (__libc_mallopt) <M_MMAP_MAX>: Fix indentation.Alexandre Oliva2012-09-051-2/+2
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* Don't change no_dyn_threshold on mallopt failureAlexandre Oliva2012-09-051-2/+4
| | | | | * malloc/malloc.c (__libc_mallopt) <M_MMAP_THRESHOLD>: Do not change internal state upon failure.
* Return requested size for malloc_usable_size when MALLOC_CHECK_ > 0Siddhesh Poyarekar2012-09-051-1/+4
| | | | | | | | | | | [BZ #1349] malloc_usable_size returns the usable size in an allocated chunk, which may be >= the requested size. In the case of MALLOC_CHECK_ being exported to > 0 however, only the requested size is usable, since a magic value is written at the end of the request size to trap writes beyond request bounds. Hence, when MALLOC_CHECK_ is exported to > 0, malloc_usable_size() should return the request size.
* Make malloc build for no-threads configurations.Roland McGrath2012-08-171-1/+2
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* Fix whitespace problems detected by commit hooks.Jeff Law2012-08-101-6/+6
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* [BZ #13939]Jeff Law2012-08-101-21/+32
| | | | | | | | | | | | | * malloc.c/arena.c (reused_arena): New parameter, avoid_arena. When avoid_arena is set, don't retry in the that arena. Pick the next one, whatever it might be. (arena_get2): New parameter avoid_arena, pass through to reused_arena. (arena_lock): Pass in new parameter to arena_get2. * malloc/malloc.c (__libc_memalign): Pass in new parameter to arena_get2. (__libc_malloc): Unify retrying after main arena failure with __libc_memalign version. (__libc_valloc, __libc_pvalloc, __libc_calloc): Likewise.
* Make free chunk size a multiple of MALLOC_ALIGNMENTH.J. Lu2012-05-241-4/+6
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* Properly handle MALLOC_ALIGNMENT > 2 * SIZE_SZH.J. Lu2012-05-241-14/+64
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* Fix last changeAndreas Jaeger2012-05-211-0/+2
| | | | Include shlib-compat.h for SHLIB_COMPAT.
* Set MALLOC_ALIGNMENT to at least __alignof__ (long double) for new ABIs.Roland McGrath2012-05-211-10/+14
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* For [BZ #208], accumulate malloc stats over all arenas.Paul Pluzhnikov2012-05-161-19/+32
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* Move stdio-common/_itoa.h to sysdeps/genericH.J. Lu2012-03-201-1/+1
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* Replace FSF snail mail address with URLs.Paul Eggert2012-02-091-3/+2
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* Cleanups of mallocUlrich Drepper2012-01-311-165/+110
| | | | Remove ugly names and unnecessary wrappers.
* More minor malloc cleanupsUlrich Drepper2012-01-171-24/+1
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* Minor cleanups of malloc codeUlrich Drepper2012-01-161-52/+0
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* Remove pre-ISO C supportUlrich Drepper2012-01-071-9/+9
| | | | No more __const.
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