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authorRoman Gushchin <guro@fb.com>2017-07-07 01:40:25 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-07 02:24:35 +0300
commit2262185c5b287f2758afda79c149b7cf6bee165c (patch)
tree4451ec80c3515ed5e4b93e4b2e5bd78661e0a5a9 /fs/ncpfs
parent94f4a1618b4c2b268f9e70bd1516932927782293 (diff)
downloadlinux-2262185c5b287f2758afda79c149b7cf6bee165c.tar.xz
mm: per-cgroup memory reclaim stats
Track the following reclaim counters for every memory cgroup: PGREFILL, PGSCAN, PGSTEAL, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE and PGLAZYFREED. These values are exposed using the memory.stats interface of cgroup v2. The meaning of each value is the same as for global counters, available using /proc/vmstat. Also, for consistency, rename mem_cgroup_count_vm_event() to count_memcg_event_mm(). Link: http://lkml.kernel.org/r/1494530183-30808-1-git-send-email-guro@fb.com Signed-off-by: Roman Gushchin <guro@fb.com> Suggested-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Vladimir Davydov <vdavydov.dev@gmail.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Tejun Heo <tj@kernel.org> Cc: Li Zefan <lizefan@huawei.com> Cc: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ncpfs')
-rw-r--r--fs/ncpfs/mmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 0c3905e0542e..6719c0be674d 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -89,7 +89,7 @@ static int ncp_file_mmap_fault(struct vm_fault *vmf)
* -- nyc
*/
count_vm_event(PGMAJFAULT);
- mem_cgroup_count_vm_event(vmf->vma->vm_mm, PGMAJFAULT);
+ count_memcg_event_mm(vmf->vma->vm_mm, PGMAJFAULT);
return VM_FAULT_MAJOR;
}