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1af7e30f9a0fdaa4e73579cf76ff14159fadb51c
linux/mm
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Mel Gorman 1af7e30f9a mm, x86: Account for TLB flushes only when debugging 
commit ec65993443 upstream.

Bisection between 3.11 and 3.12 fingered commit 9824cf97 ("mm:
vmstats: tlb flush counters") to cause overhead problems.

The counters are undeniably useful but how often do we really
need to debug TLB flush related issues?  It does not justify
taking the penalty everywhere so make it a debugging option.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Tested-by: Davidlohr Bueso <davidlohr@hp.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Alex Shi <alex.shi@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-XzxjntugxuwpxXhcrxqqh53b@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-09-26 11:51:52 +02:00
..
backing-dev.c
bdi: avoid oops on device removal
2014-05-05 13:36:28 +02:00
balloon_compaction.c
mm: introduce a common interface for balloon pages mobility
2012-12-11 17:22:26 -08:00
bootmem.c
mm: kill free_all_bootmem_node()
2013-07-03 16:07:39 -07:00
bounce.c
mm/bounce.c: fix a regression where MS_SNAP_STABLE (stable pages snapshotting) was ignored
2013-09-30 14:31:02 -07:00
cleancache.c
mm: cleancache: clean up cleancache_enabled
2013-04-30 17:04:01 -07:00
compaction.c
mm/compaction: make isolate_freepages start at pageblock boundary
2014-06-20 17:33:48 +02:00
debug-pagealloc.c
mm, x86: Remove debug_pagealloc_enabled
2011-12-06 09:24:07 +01:00
dmapool.c
dmapool: make DMAPOOL_DEBUG detect corruption of free marker
2012-12-11 17:22:24 -08:00
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
lift sb_start_write() out of ->write()
2013-04-09 14:12:56 -04:00
filemap.c
mm: memcg: handle non-error OOM situations more gracefully
2013-10-16 21:35:53 -07:00
fremap.c
mm: fix bad rss-counter if remap_file_pages raced migration
2014-09-26 11:51:50 +02:00
frontswap.c
swap: change swap_list_head to plist, add swap_avail_head
2014-09-26 11:51:51 +02:00
highmem.c
Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
2012-12-20 08:37:05 -08:00
huge_memory.c
mm: thp: khugepaged: add policy for finding target node
2014-09-26 11:51:49 +02:00
hugetlb_cgroup.c
cgroup: pass around cgroup_subsys_state instead of cgroup in file methods
2013-08-08 20:11:24 -04:00
hugetlb.c
hugetlb: ensure hugepage access is denied if hugepages are not supported
2014-09-26 11:51:50 +02:00
hwpoison-inject.c
mm/hwpoison: fix the lack of one reference count against poisoned page
2013-09-30 14:31:03 -07:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
mm: page_alloc: spill to remote nodes before waking kswapd
2014-05-15 09:55:36 +02:00
interval_tree.c
mm: add CONFIG_DEBUG_VM_RB build option
2012-10-09 16:22:42 +09:00
Kconfig
hugetlb: restrict hugepage_migration_support() to x86_64
2014-07-02 12:06:08 +02:00
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
kmemleak: remove memset by using kzalloc
2011-01-27 18:31:51 +00:00
kmemleak.c
mm: kmemleak: avoid false negatives on vmalloc'ed objects
2014-07-28 09:12:23 +02:00
ksm.c
mm: close PageTail race
2014-04-03 10:32:30 +02:00
list_lru.c
mm: list_lru: fix almost infinite loop causing effective livelock
2013-10-30 12:57:46 -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/hwpoison: fix traversal of hugetlbfs pages to avoid printk flood
2013-09-30 14:31:02 -07:00
Makefile
list: add a new LRU list type
2013-09-10 18:56:30 -04:00
memblock.c
memblock, numa: binary search node id
2013-09-11 15:57:51 -07:00
memcontrol.c
memcg: oom_notify use-after-free fix
2014-08-19 14:23:35 +02:00
memory_hotplug.c
Merge tag 'pm+acpi-fixes-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2013-09-12 11:22:45 -07:00
memory-failure.c
mm/memory-failure.c: support use of a dedicated thread to handle SIGBUS(BUS_MCEERR_AO)
2014-07-02 12:06:11 +02:00
memory.c
mm: make fixup_user_fault() check the vma access rights too
2014-06-06 11:40:21 +02:00
mempolicy.c
cpuset,mempolicy: fix sleeping function called from invalid context
2014-07-18 15:51:15 +02:00
mempool.c
mm/mempool.c: convert kmalloc_node(...GFP_ZERO...) to kzalloc_node(...)
2013-09-11 15:58:14 -07:00
migrate.c
aio/migratepages: make aio migrate pages sane
2014-01-09 12:25:16 -08:00
mincore.c
swap: make each swap partition have one address_space
2013-02-23 17:50:17 -08:00
mlock.c
mm: try_to_unmap_cluster() should lock_page() before mlocking
2014-05-15 09:55:37 +02:00
mm_init.c
mm: tune vm_committed_as percpu_counter batching size
2013-07-03 16:07:32 -07:00
mmap.c
mm: ignore VM_SOFTDIRTY on VMA merging
2014-02-13 13:50:12 -08:00
mmu_context.c
mm: remove old aio use_mm() comment
2013-05-07 18:38:27 -07:00
mmu_notifier.c
treewide: relase -> release
2013-06-28 14:34:33 +02:00
mmzone.c
mm: rename page struct field helpers
2013-02-23 17:50:18 -08:00
mprotect.c
mm: fix TLB flush race between migration, and change_protection_range
2014-01-09 12:25:14 -08:00
mremap.c
mm, thp: close race between mremap() and split_huge_page()
2014-06-06 11:40:23 +02:00
msync.c
sanitize vfs_fsync calling conventions
2010-05-21 18:31:21 -04:00
nobootmem.c
mm: concentrate modification of totalram_pages into the mm core
2013-07-03 16:07:33 -07:00
nommu.c
mm: remove free_area_cache
2013-07-10 18:11:34 -07:00
oom_kill.c
mm, oom: prefer thread group leaders for display purposes
2014-06-04 16:26:19 +02:00
page_alloc.c
mm: __rmqueue_fallback() should respect pageblock type
2014-09-26 11:51:52 +02:00
page_cgroup.c
memcontrol: use N_MEMORY instead N_HIGH_MEMORY
2012-12-12 17:38:32 -08:00
page_io.c
aio: Kill aio_rw_vect_retry()
2013-07-30 11:53:12 -04:00
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()
2014-08-19 14:23:35 +02:00
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: make pcpu_alloc_chunk() use pcpu_mem_free() instead of kfree()
2014-06-09 15:53:39 +02:00
pgtable-generic.c
mm: fix TLB flush race between migration, and change_protection_range
2014-01-09 12:25:14 -08:00
process_vm_access.c
Fix: compat_rw_copy_check_uvector() misuse in aio, readv, writev, and security keys
2013-03-12 11:05:45 -07:00
quicklist.c
mm: delete various needless include <linux/module.h>
2011-10-31 09:20:11 -04:00
readahead.c
readahead: fix sequential read cache miss detection
2014-09-26 11:51:52 +02:00
rmap.c
mm: fix sleeping function warning from __put_anon_vma
2014-07-02 12:06:11 +02:00
shmem.c
shmem: fix splicing from a hole while it's punched
2014-07-28 09:12:23 +02:00
slab_common.c
slab_common: fix the check for duplicate slab names
2014-07-30 18:02:39 +02:00
slab.c
slab: correct pfmemalloc check
2014-09-26 11:51:50 +02:00
slab.h
memcg: check that kmem_cache has memcg_params before accessing it
2013-08-28 19:26:38 -07:00
slob.c
mm/sl[aou]b: Move kmallocXXX functions to common code
2013-09-04 20:51:33 +03:00
slub.c
slub: Fix calculation of cpu slabs
2014-02-13 13:50:13 -08:00
sparse-vmemmap.c
sparse-vmemmap: specify vmemmap population range in bytes
2013-04-29 15:54:35 -07:00
sparse.c
mm/sparse: introduce alloc_usemap_and_memmap
2013-09-11 15:58:01 -07:00
swap_state.c
lib/radix-tree.c: make radix_tree_node_alloc() work correctly within interrupt
2013-09-11 15:59:36 -07:00
swap.c
mm: close PageTail race
2014-04-03 10:32:30 +02:00
swapfile.c
swap: change swap_list_head to plist, add swap_avail_head
2014-09-26 11:51:51 +02:00
truncate.c
truncate: drop 'oldsize' truncate_pagecache() parameter
2013-09-12 15:38:02 -07:00
util.c
vm_is_stack: use for_each_thread() rather then buggy while_each_thread()
2014-09-17 15:12:24 +02:00
vmalloc.c
mm: kmemleak: avoid false negatives on vmalloc'ed objects
2014-07-28 09:12:23 +02:00
vmpressure.c
Merge branch 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2013-09-03 18:25:03 -07:00
vmscan.c
Don't trigger congestion wait on dirty-but-not-writeout pages
2014-07-22 11:10:36 +02:00
vmstat.c
mm, x86: Account for TLB flushes only when debugging
2014-09-26 11:51:52 +02:00
zbud.c
mm/zbud: fix some trivial typos in comments
2013-09-11 15:57:35 -07:00
zswap.c
mm/zswap: bugfix: memory leak when invalidate and reclaim occur concurrently
2013-12-04 11:05:27 -08:00