Kirill A. Shutemov f9719a03de thp, vmstats: count deferred split events ... Count how many times we put a THP in split queue. Currently, it happens on partial unmap of a THP. Rapidly growing value can indicate that an application behaves unfriendly wrt THP: often fault in huge page and then unmap part of it. This leads to unnecessary memory fragmentation and the application may require tuning. The event also can help with debugging kernel [mis-]behaviour. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2016-03-17 15:09:34 -07:00
..
kasan	kasan: add functions to clear stack poison	2016-03-09 15:43:42 -08:00
backing-dev.c	mm/backing-dev.c: fix error path in wb_init()	2016-02-11 18:35:48 -08:00
balloon_compaction.c	virtio_balloon: fix race between migration and ballooning	2016-01-12 20:47:06 +02:00
bootmem.c	x86/mm: Introduce max_possible_pfn	2015-12-06 12:46:31 +01:00
cleancache.c	cleancache: constify cleancache_ops structure	2016-01-27 09:09:57 -05:00
cma_debug.c	mm/cma_debug: correct size input to bitmap function	2015-07-17 16:39:54 -07:00
cma.c	mm/cma.c: suppress warning	2015-11-05 19:34:48 -08:00
cma.h	mm: cma: mark cma_bitmap_maxno() inline in header	2015-08-14 15:56:32 -07:00
compaction.c	mm, kswapd: replace kswapd compaction with waking up kcompactd	2016-03-17 15:09:34 -07:00
debug.c	mm, debug: move bad flags printing to bad_page()	2016-03-15 16:55:16 -07:00
dmapool.c	mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd	2015-11-06 17:50:42 -08:00
early_ioremap.c	mm/early_ioremap: use offset_in_page macro	2015-11-05 19:34:48 -08:00
fadvise.c
failslab.c	mm: fault-inject take over bootstrap kmem_cache check	2016-03-15 16:55:16 -07:00
filemap.c	mm: remove unnecessary uses of lock_page_memcg()	2016-03-15 16:55:16 -07:00
frame_vector.c	mm: fix docbook comment for get_vaddr_frames()	2015-11-05 19:34:48 -08:00
frontswap.c
gup.c	mm: retire GUP WARN_ON_ONCE that outlived its usefulness	2016-02-03 08:57:14 -08:00
highmem.c
huge_memory.c	thp, vmstats: count deferred split events	2016-03-17 15:09:34 -07:00
hugetlb_cgroup.c	mm: make compound_head() robust	2015-11-06 17:50:42 -08:00
hugetlb.c	mm/hugetlb: use EOPNOTSUPP in hugetlb sysctl handlers	2016-03-09 15:43:42 -08:00
hwpoison-inject.c	hwpoison: use page_cgroup_ino for filtering by memcg	2015-09-10 13:29:01 -07:00
init-mm.c
internal.h	mm, kswapd: replace kswapd compaction with waking up kcompactd	2016-03-17 15:09:34 -07:00
interval_tree.c
Kconfig	mm/Kconfig: correct description of DEFERRED_STRUCT_PAGE_INIT	2016-02-05 18:10:40 -08:00
Kconfig.debug	mm/page_poisoning.c: allow for zero poisoning	2016-03-15 16:55:16 -07:00
kmemcheck.c	mm: kmemcheck skip object if slab allocation failed	2016-03-15 16:55:16 -07:00
kmemleak-test.c
kmemleak.c	Revert "gfp: add __GFP_NOACCOUNT"	2016-01-14 16:00:49 -08:00
ksm.c	mm/ksm.c: mark stable page dirty	2016-01-15 17:56:32 -08:00
list_lru.c	mm: memcontrol: move kmem accounting code to CONFIG_MEMCG	2016-01-20 17:09:18 -08:00
maccess.c	mm/maccess.c: actually return -EFAULT from strncpy_from_unsafe	2015-11-05 19:34:48 -08:00
madvise.c	mm/madvise: update comment on sys_madvise()	2016-03-15 16:55:16 -07:00
Makefile	mm/page_poison.c: enable PAGE_POISONING as a separate option	2016-03-15 16:55:16 -07:00
memblock.c	mm/memblock.c: remove unnecessary memblock_type variable	2016-03-15 16:55:16 -07:00
memcontrol.c	mm: workingset: make shadow node shrinker memcg aware	2016-03-17 15:09:34 -07:00
memory_hotplug.c	mm, memory hotplug: small cleanup in online_pages()	2016-03-17 15:09:34 -07:00
memory-failure.c	mm/memory-failure.c: remove useless "undef"s	2016-03-15 16:55:16 -07:00
memory.c	Merge branch 'akpm' (patches from Andrew)	2016-03-16 11:51:08 -07:00
mempolicy.c	mm/mempolicy.c: skip VM_HUGETLB and VM_MIXEDMAP VMA for lazy mbind	2016-03-15 16:55:16 -07:00
mempool.c	mm/mempool: avoid KASAN marking mempool poison checks as use-after-free	2016-03-11 16:17:47 -08:00
memtest.c	memtest: remove unused header files	2015-09-08 15:35:28 -07:00
migrate.c	mm: migrate: consolidate mem_cgroup_migrate() calls	2016-03-15 16:55:16 -07:00
mincore.c	thp: change pmd_trans_huge_lock() interface to return ptl	2016-01-21 17:20:51 -08:00
mlock.c	mm: fix mlock accouting	2016-01-21 17:20:51 -08:00
mm_init.c	mm: meminit: remove mminit_verify_page_links	2015-06-30 19:44:56 -07:00
mmap.c	Linux 4.5-rc7	2016-03-07 09:27:30 +01:00
mmu_context.c
mmu_notifier.c	mmu-notifier: add clear_young callback	2015-09-10 13:29:01 -07:00
mmzone.c	mm/mmzone.c: memmap_valid_within() can be boolean	2016-01-14 16:00:49 -08:00
mprotect.c	mm, dax: check for pmd_none() after split_huge_pmd()	2016-02-11 18:35:48 -08:00
mremap.c	mm, dax: check for pmd_none() after split_huge_pmd()	2016-02-11 18:35:48 -08:00
msync.c	mm/msync: use offset_in_page macro	2015-11-05 19:34:48 -08:00
nobootmem.c	x86/mm: Introduce max_possible_pfn	2015-12-06 12:46:31 +01:00
nommu.c	kmemcg: account certain kmem allocations to memcg	2016-01-14 16:00:49 -08:00
oom_kill.c	mm: oom_kill: don't ignore oom score on exiting tasks	2016-03-17 15:09:34 -07:00
page_alloc.c	mm, compaction: introduce kcompactd	2016-03-17 15:09:34 -07:00
page_counter.c	mm: page_counter: let page_counter_try_charge() return bool	2015-11-05 19:34:48 -08:00
page_ext.c	mm/page_poisoning.c: allow for zero poisoning	2016-03-15 16:55:16 -07:00
page_idle.c	mm: add page_check_address_transhuge() helper	2016-01-15 17:56:32 -08:00
page_io.c	fs: use helper bio_add_page() instead of open coding on bi_io_vec	2015-08-13 12:32:00 -06:00
page_isolation.c	mm/page_isolation: do some cleanup in "undo_isolate_page_range"	2016-01-15 17:56:32 -08:00
page_owner.c	mm, page_owner: dump page owner info from dump_page()	2016-03-15 16:55:16 -07:00
page_poison.c	mm/page_poisoning.c: allow for zero poisoning	2016-03-15 16:55:16 -07:00
page-writeback.c	mm: remove unnecessary uses of lock_page_memcg()	2016-03-15 16:55:16 -07:00
pagewalk.c	thp: rename split_huge_page_pmd() to split_huge_pmd()	2016-01-15 17:56:32 -08:00
percpu-km.c
percpu-vm.c
percpu.c	tree wide: use kvfree() than conditional kfree()/vfree()	2016-01-22 17:02:18 -08:00
pgtable-generic.c	mm,thp: fix spellos in describing __HAVE_ARCH_FLUSH_PMD_TLB_RANGE	2016-02-11 18:35:48 -08:00
process_vm_access.c	ptrace: use fsuid, fsgid, effective creds for fs access checks	2016-01-20 17:09:18 -08:00
quicklist.c
readahead.c	mm: move lru_to_page to mm_inline.h	2016-01-14 16:00:49 -08:00
rmap.c	mm: simplify lock_page_memcg()	2016-03-15 16:55:16 -07:00
shmem.c	mm: migrate: do not touch page->mem_cgroup of live pages	2016-03-15 16:55:16 -07:00
slab_common.c	mm: memcontrol: zap memcg_kmem_online helper	2016-03-17 15:09:34 -07:00
slab.c	mm: memcontrol: report slab usage in cgroup2 memory.stat	2016-03-17 15:09:34 -07:00
slab.h	mm: memcontrol: report slab usage in cgroup2 memory.stat	2016-03-17 15:09:34 -07:00
slob.c	mm: slab: free kmem_cache_node after destroy sysfs file	2016-02-18 16:23:24 -08:00
slub.c	mm/slub: query dynamic DEBUG_PAGEALLOC setting	2016-03-17 15:09:34 -07:00
sparse-vmemmap.c	x86, mm: introduce vmem_altmap to augment vmemmap_populate()	2016-01-15 17:56:32 -08:00
sparse.c	x86, mm: introduce vmem_altmap to augment vmemmap_populate()	2016-01-15 17:56:32 -08:00
swap_cgroup.c
swap_state.c	mm: memcontrol: charge swap to cgroup2	2016-01-20 17:09:18 -08:00
swap.c	mm, x86: get_user_pages() for dax mappings	2016-01-15 17:56:32 -08:00
swapfile.c	wrappers for ->i_mutex access	2016-01-22 18:04:28 -05:00
truncate.c	mm: remove unnecessary uses of lock_page_memcg()	2016-03-15 16:55:16 -07:00
userfaultfd.c	memcg: adjust to support new THP refcounting	2016-01-15 17:56:32 -08:00
util.c	proc: revert /proc/<pid>/maps [stack:TID] annotation	2016-02-03 08:28:43 -08:00
vmacache.c	mm/vmacache: inline vmacache_valid_mm()	2015-11-05 19:34:48 -08:00
vmalloc.c	mm/vmalloc: query dynamic DEBUG_PAGEALLOC setting	2016-03-17 15:09:34 -07:00
vmpressure.c	mm/vmpressure.c: fix subtree pressure detection	2016-02-03 08:28:43 -08:00
vmscan.c	mm: vmscan: pass root_mem_cgroup instead of NULL to memcg aware shrinker	2016-03-17 15:09:34 -07:00
vmstat.c	thp, vmstats: count deferred split events	2016-03-17 15:09:34 -07:00
workingset.c	mm: workingset: make shadow node shrinker memcg aware	2016-03-17 15:09:34 -07:00
zbud.c	mm/zbud.c: use list_last_entry() instead of list_tail_entry()	2016-01-15 11:40:52 -08:00
zpool.c	mm: zsmalloc: constify struct zs_pool name	2015-11-06 17:50:42 -08:00
zsmalloc.c	zsmalloc: fix migrate_zspage-zs_free race condition	2016-01-20 17:09:18 -08:00
zswap.c	mm/zswap: change incorrect strncmp use to strcmp	2015-12-18 14:25:40 -08:00