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cgroup: docs: add pswpin and pswpout items in cgroup v2 doc

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The commit 15ff4d409e ("mm/memcontrol: add per-memcg pgpgin/pswpin
counter") introduced the pswpin and pswpout items in the memory.stat of
cgroup v2.  Therefore, update them accordingly in the cgroup-v2
documentation.

Link: https://lkml.kernel.org/r/20250318075833.90615-3-jiahao.kernel@gmail.com
Fixes: 15ff4d409e ("mm/memcontrol: add per-memcg pgpgin/pswpin counter") 
Signed-off-by: Hao Jia <jiahao1@lixiang.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Koutný <mkoutny@suse.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Hao Jia 2025-03-18 15:58:33 +08:00 committed by Andrew Morton
parent e452872b40
commit 4c8bc7c4e3
1 changed files with 6 additions and 0 deletions
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6
Documentation/admin-guide/cgroup-v2.rst
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@ -1561,6 +1561,12 @@ The following nested keys are defined.
workingset_nodereclaim
Number of times a shadow node has been reclaimed
pswpin (npn)
Number of pages swapped into memory
pswpout (npn)
Number of pages swapped out of memory
pgscan (npn)
Amount of scanned pages (in an inactive LRU list)