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android_kernel_sony_msm8994/mm
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Nick Piggin 8519fb30e4 [PATCH] mm: compound release fix 
Compound pages on SMP systems can now often be freed from pagetables via
the release_pages path.  This uses put_page_testzero which does not handle
compound pages at all.  Releasing constituent pages from process mappings
decrements their count to a large negative number and leaks the reference
at the head page - net result is a memory leak.

The problem was hidden because the debug check in put_page_testzero itself
actually did take compound pages into consideration.

Fix the bug and the debug check.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-02-07 16:12:33 -08:00
..
bootmem.c [PATCH] FRV: Clean up bootmem allocator's page freeing algorithm 2006-01-06 08:33:26 -08:00
fadvise.c [PATCH] fadvise: return ESPIPE on FIFO/pipe 2006-01-08 20:14:00 -08:00
filemap_xip.c [PATCH] replace inode_update_time with file_update_time 2006-01-10 08:01:30 -08:00
filemap.c [PATCH] mm: migration page refcounting fix 2006-01-18 19:20:17 -08:00
filemap.h [PATCH] xip: reduce code duplication 2005-06-24 00:06:41 -07:00
fremap.c VM: add common helper function to create the page tables 2005-11-29 14:03:14 -08:00
highmem.c [PATCH] gfp_t: the rest 2005-10-28 08:16:51 -07:00
hugetlb.c [PATCH] hugetlbpage: return VM_FAULT_OOM on oom 2006-02-07 16:12:31 -08:00
internal.h [PATCH] FRV: Clean up bootmem allocator's page freeing algorithm 2006-01-06 08:33:26 -08:00
Kconfig [PATCH] Swap Migration V5: Add CONFIG_MIGRATION for page migration support 2006-01-08 20:12:41 -08:00
madvise.c [PATCH] madvise(MADV_REMOVE): remove pages from tmpfs shm backing store 2006-01-06 08:33:22 -08:00
Makefile [PATCH] slob: introduce the SLOB allocator 2006-01-08 20:13:41 -08:00
memory_hotplug.c [PATCH] memhotplug: __add_section remove unused pgdat definition 2006-01-06 08:33:21 -08:00
memory.c [PATCH] Direct Migration V9: PageSwapCache checks 2006-02-01 08:53:16 -08:00
mempolicy.c [PATCH] x86_64: Fix memory policy build without CONFIG_HUGETLBFS 2006-02-04 16:43:14 -08:00
mempool.c [PATCH] gfp_t: mm/* (easy parts) 2005-10-28 08:16:47 -07:00
mincore.c [PATCH] freepgt: sys_mincore ignore FIRST_USER_PGD_NR 2005-04-19 13:29:20 -07:00
mlock.c [PATCH] move capable() to capability.h 2006-01-11 18:42:13 -08:00
mmap.c [PATCH] move capable() to capability.h 2006-01-11 18:42:13 -08:00
mprotect.c [PATCH] unpaged: private write VM_RESERVED 2005-11-22 09:13:42 -08:00
mremap.c [PATCH] move capable() to capability.h 2006-01-11 18:42:13 -08:00
msync.c [PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem 2006-01-09 15:59:24 -08:00
nommu.c [PATCH] NOMMU: Make SYSV IPC SHM use ramfs facilities on NOMMU 2006-01-06 08:33:32 -08:00
oom_kill.c [PATCH] dump_stack() in oom handler 2006-02-01 08:53:18 -08:00
page_alloc.c [PATCH] percpu data: only iterate over possible CPUs 2006-02-05 11:06:51 -08:00
page_io.c [PATCH] mm: split page table lock 2005-10-29 21:40:42 -07:00
page-writeback.c [PATCH] mm: dirty_exceeded speedup 2006-01-18 19:20:17 -08:00
pdflush.c [PATCH] Swap Migration V5: PF_SWAPWRITE to allow writing to swap 2006-01-08 20:12:41 -08:00
prio_tree.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
readahead.c [PATCH] add AOP_TRUNCATED_PAGE, prepend AOP_ to WRITEPAGE_ACTIVATE 2006-01-03 11:45:42 -08:00
rmap.c [PATCH] Direct Migration V9: Avoid writeback / page_migrate() method 2006-02-01 08:53:17 -08:00
shmem.c [PATCH] Direct Migration V9: PageSwapCache checks 2006-02-01 08:53:16 -08:00
slab.c mm/slab.c (non-NUMA): Fix compile warning and clean up code 2006-02-05 11:26:38 -08:00
slob.c [PATCH] slob: introduce the SLOB allocator 2006-01-08 20:13:41 -08:00
sparse.c [PATCH] Change maxaligned_in_smp alignemnt macros to internodealigned_in_smp macros 2006-01-08 20:13:38 -08:00
swap_state.c [PATCH] Direct Migration V9: Avoid writeback / page_migrate() method 2006-02-01 08:53:17 -08:00
swap.c [PATCH] mm: compound release fix 2006-02-07 16:12:33 -08:00
swapfile.c [PATCH] Direct Migration V9: remove_from_swap() to remove swap ptes 2006-02-01 08:53:16 -08:00
thrash.c [PATCH] temporarily disable swap token on memory pressure 2005-11-28 14:42:25 -08:00
tiny-shmem.c [PATCH] do_truncate() call fix in tiny-shmem.c 2006-01-12 09:08:49 -08:00
truncate.c [PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem 2006-01-09 15:59:24 -08:00
util.c [PATCH] slob: introduce mm/util.c for shared functions 2006-01-08 20:13:41 -08:00
vmalloc.c [PATCH] kernel-doc: fix warnings in vmalloc.c 2005-11-07 07:53:56 -08:00
vmscan.c [PATCH] Direct Migration V9: Avoid writeback / page_migrate() method 2006-02-01 08:53:17 -08:00