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linux-next/mm
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Paul Cassella 9a95f3cf7b mm: describe mmap_sem rules for __lock_page_or_retry() and callers 
Add a comment describing the circumstances in which
__lock_page_or_retry() will or will not release the mmap_sem when
returning 0.

Add comments to lock_page_or_retry()'s callers (filemap_fault(),
do_swap_page()) noting the impact on VM_FAULT_RETRY returns.

Add comments on up the call tree, particularly replacing the false "We
return with mmap_sem still held" comments.

Signed-off-by: Paul Cassella <cassella@cray.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 18:01:20 -07:00
..
backing-dev.c
arch: Mass conversion of smp_mb__*()
2014-04-18 14:20:48 +02:00
balloon_compaction.c
mm: print more details for bad_page()
2014-01-23 16:36:50 -08:00
bootmem.c
mm/bootmem.c: remove unused local `map'
2013-11-13 12:09:09 +09:00
cleancache.c
mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE
2014-01-23 16:36:50 -08:00
cma.c
mm, CMA: clean-up log message
2014-08-06 18:01:16 -07:00
compaction.c
mm, compaction: properly signal and act upon lock and need_sched() contention
2014-06-04 16:54:11 -07:00
debug-pagealloc.c
mm, x86: Remove debug_pagealloc_enabled
2011-12-06 09:24:07 +01:00
dmapool.c
mm/dmapool.c: reuse devres_release() to free resources
2014-06-04 16:54:08 -07:00
early_ioremap.c
mm: create generic early_ioremap() support
2014-04-07 16:36:15 -07:00
fadvise.c
teach SYSCALL_DEFINE<n> how to deal with long long/unsigned long long
2013-03-03 22:46:22 -05:00
failslab.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
filemap_xip.c
seqcount: Add lockdep functionality to seqcount/seqlock structures
2013-11-06 12:40:26 +01:00
filemap.c
mm: describe mmap_sem rules for __lock_page_or_retry() and callers
2014-08-06 18:01:20 -07:00
fremap.c
mm: mark remap_file_pages() syscall as deprecated
2014-06-06 16:08:17 -07:00
frontswap.c
swap: change swap_list_head to plist, add swap_avail_head
2014-06-04 16:54:07 -07:00
gup.c
mm: describe mmap_sem rules for __lock_page_or_retry() and callers
2014-08-06 18:01:20 -07:00
highmem.c
Some nice cleanups, and even a patch my wife did as a "live" demo for
2012-12-20 08:37:05 -08:00
huge_memory.c
mm: huge_memory: use GFP_TRANSHUGE when charging huge pages
2014-08-06 18:01:17 -07:00
hugetlb_cgroup.c
cgroup: replace cgroup_add_cftypes() with cgroup_add_legacy_cftypes()
2014-07-15 11:05:09 -04:00
hugetlb.c
mm, hugetlb: remove hugetlb_zero and hugetlb_infinity
2014-08-06 18:01:19 -07:00
hwpoison-inject.c
mm/hwpoison-inject.c: remove unnecessary null test before debugfs_remove_recursive
2014-08-06 18:01:19 -07:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
mm/internal.h: use nth_page
2014-08-06 18:01:16 -07:00
interval_tree.c
mm: add CONFIG_DEBUG_VM_RB build option
2012-10-09 16:22:42 +09:00
iov_iter.c
bio_vec-backed iov_iter
2014-05-06 17:39:45 -04:00
Kconfig
CMA: generalize CMA reserved area management functionality
2014-08-06 18:01:16 -07:00
Kconfig.debug
mm: more intensive memory corruption debugging
2012-01-10 16:30:42 -08:00
kmemcheck.c
kmemcheck: Fix build errors due to missing slab.h
2010-03-30 22:02:32 +09:00
kmemleak-test.c
mm/kmemleak-test.c: use pr_fmt for logging
2014-06-06 16:08:18 -07:00
kmemleak.c
mm: introduce kmemleak_update_trace()
2014-06-06 16:08:17 -07:00
ksm.c
sched: Remove proliferation of wait_on_bit() action functions
2014-07-16 15:10:39 +02:00
list_lru.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
maccess.c
mm: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
madvise.c
mm: update the description for madvise_remove
2014-08-06 18:01:18 -07:00
Makefile
CMA: generalize CMA reserved area management functionality
2014-08-06 18:01:16 -07:00
memblock.c
mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
2014-06-06 16:08:17 -07:00
memcontrol.c
mm: memcontrol: do not acquire page_cgroup lock for kmem pages
2014-08-06 18:01:17 -07:00
memory_hotplug.c
mem-hotplug: introduce MMOP_OFFLINE to replace the hard coding -1
2014-08-06 18:01:16 -07:00
memory-failure.c
hwpoison: fix race with changing page during offlining
2014-08-06 18:01:19 -07:00
memory.c
mm: describe mmap_sem rules for __lock_page_or_retry() and callers
2014-08-06 18:01:20 -07:00
mempolicy.c
Merge branch 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2014-07-10 11:38:23 -07:00
mempool.c
mm/mempool.c: update the kmemleak stack trace for mempool allocations
2014-06-06 16:08:17 -07:00
migrate.c
mm: fix direct reclaim writeback regression
2014-07-26 14:38:50 -07:00
mincore.c
mm + fs: prepare for non-page entries in page cache radix trees
2014-04-03 16:21:00 -07:00
mlock.c
mm: describe mmap_sem rules for __lock_page_or_retry() and callers
2014-08-06 18:01:20 -07:00
mm_init.c
mm: bring back /sys/kernel/mm
2014-01-27 21:02:39 -08:00
mmap.c
mm: catch memory commitment underflow
2014-08-06 18:01:19 -07:00
mmu_context.c
sched/mm: call finish_arch_post_lock_switch in idle_task_exit and use_mm
2014-02-21 08:50:17 +01:00
mmu_notifier.c
mm: audit/fix non-modular users of module_init in core code
2014-01-23 16:36:52 -08:00
mmzone.c
mm: numa: Change page last {nid,pid} into {cpu,pid}
2013-10-09 14:47:45 +02:00
mprotect.c
mm: move mmu notifier call from change_protection to change_pmd_range
2014-04-07 16:35:50 -07:00
mremap.c
mm, thp: close race between mremap() and split_huge_page()
2014-05-11 17:55:48 +09:00
msync.c
msync: fix incorrect fstart calculation
2014-07-03 09:21:53 -07:00
nobootmem.c
mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
2014-06-06 16:08:17 -07:00
nommu.c
mm: nommu: per-thread vma cache fix
2014-06-23 16:47:43 -07:00
oom_kill.c
mm, oom: base root bonus on current usage
2014-01-30 16:56:56 -08:00
page_alloc.c
mm: page_alloc: reduce cost of the fair zone allocation policy
2014-08-06 18:01:20 -07:00
page_cgroup.c
mm/page_cgroup.c: mark functions as static
2014-04-03 16:21:02 -07:00
page_io.c
fix __swap_writepage() compile failure on old gcc versions
2014-06-14 19:30:48 -05:00
page_isolation.c
mm: memory-hotplug: enable memory hotplug to handle hugepage
2013-09-11 15:57:48 -07:00
page-writeback.c
mm/page-writeback.c: fix divide by zero in bdi_dirty_limits()
2014-07-30 17:16:13 -07:00
pagewalk.c
mm/pagewalk.c: fix walk_page_range() access of wrong PTEs
2013-10-30 14:27:03 -07:00
percpu-km.c
percpu: clear memory allocated with the km allocator
2010-10-02 10:28:42 +03:00
percpu-vm.c
mm: fix kernel-doc warnings
2012-06-20 14:39:36 -07:00
percpu.c
percpu: Use ALIGN macro instead of hand coding alignment calculation
2014-06-19 11:00:27 -04:00
pgtable-generic.c
mm: fix TLB flush race between migration, and change_protection_range
2013-12-18 19:04:51 -08:00
process_vm_access.c
start adding the tag to iov_iter
2014-05-06 17:32:49 -04:00
quicklist.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
readahead.c
mm/readahead.c: remove unused file_ra_state from count_history_pages
2014-08-06 18:01:15 -07:00
rmap.c
mm/rmap.c: fix pgoff calculation to handle hugepage correctly
2014-07-23 15:10:54 -07:00
shmem.c
mm: replace init_page_accessed by __SetPageReferenced
2014-08-06 18:01:19 -07:00
slab_common.c
mm: move slab related stuff from util.c to slab_common.c
2014-08-06 18:01:15 -07:00
slab.c
mm/slab.c: fix comments
2014-08-06 18:01:15 -07:00
slab.h
slab: convert last use of __FUNCTION__ to __func__
2014-08-06 18:01:15 -07:00
slob.c
slab: get_online_mems for kmem_cache_{create,destroy,shrink}
2014-06-04 16:53:59 -07:00
slub.c
slab: fix the alias count (via sysfs) of slab cache
2014-08-06 18:01:15 -07:00
sparse-vmemmap.c
mm/sparse: use memblock apis for early memory allocations
2014-01-21 16:19:47 -08:00
sparse.c
mm: use macros from compiler.h instead of __attribute__((...))
2014-04-07 16:35:54 -07:00
swap_state.c
mm: page_alloc: convert hot/cold parameter and immediate callers to bool
2014-06-04 16:54:09 -07:00
swap.c
mm: pagemap: avoid unnecessary overhead when tracepoints are deactivated
2014-08-06 18:01:20 -07:00
swapfile.c
mm/swapfile.c: delete the "last_in_cluster < scan_base" loop in the body of scan_swap_map()
2014-06-04 16:54:12 -07:00
truncate.c
mm/fs: fix pessimization in hole-punching pagecache
2014-07-23 15:10:55 -07:00
util.c
mm: move slab related stuff from util.c to slab_common.c
2014-08-06 18:01:15 -07:00
vmacache.c
mm,vmacache: optimize overflow system-wide flushing
2014-06-04 16:53:57 -07:00
vmalloc.c
mm/vmalloc.c: clean up map_vm_area third argument
2014-08-06 18:01:19 -07:00
vmpressure.c
arm, pm, vmpressure: add missing slab.h includes
2014-02-03 13:24:01 -05:00
vmscan.c
mm: move zone->pages_scanned into a vmstat counter
2014-08-06 18:01:20 -07:00
vmstat.c
mm: vmscan: only update per-cpu thresholds for online CPU
2014-08-06 18:01:20 -07:00
workingset.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
zbud.c
mm/zbud.c: make size unsigned like unique callsite
2014-06-04 16:54:13 -07:00
zsmalloc.c
mm/vmalloc.c: clean up map_vm_area third argument
2014-08-06 18:01:19 -07:00
zswap.c
mm/zswap: NUMA aware allocation for zswap_dstmem
2014-06-04 16:54:14 -07:00