From: Roman Gushchin <guro@xxxxxx>
Subject: mm, docs: update memory.stat description with workingset* entries
4b4cea91691d ("mm: vmscan: fix IO/refault regression in cache workingset
transition") introduced three new entries in memory stat file:
- workingset_refault,
- workingset_activate,
- workingset_nodereclaim.
This commit adds a corresponding description to the cgroup v2 docs.
Link: http://lkml.kernel.org/r/1494530293-31236-1-git-send-email-guro@xxxxxx
Signed-off-by: Roman Gushchin <guro@xxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Li Zefan <lizefan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/cgroup-v2.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff -puN Documentation/cgroup-v2.txt~mm-docs-update-memorystat-description-with-workingset-entries Documentation/cgroup-v2.txt
--- a/Documentation/cgroup-v2.txt~mm-docs-update-memorystat-description-with-workingset-entries
+++ a/Documentation/cgroup-v2.txt
@@ -918,6 +918,18 @@ PAGE_SIZE multiple when read back.
Number of major page faults incurred
+ workingset_refault
+
+ Number of refaults of previously evicted pages
+
+ workingset_activate
+
+ Number of refaulted pages that were immediately activated
+
+ workingset_nodereclaim
+
+ Number of times a shadow node has been reclaimed
+
memory.swap.current
A read-only single value file which exists on non-root
_
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