The patch titled
Subject: cgroup: docs: add pswpin and pswpout items in cgroup v2 doc
has been added to the -mm mm-unstable branch. Its filename is
cgroup-docs-add-pswpin-and-pswpout-items-in-cgroup-v2-doc.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/cgroup-docs-add-pswpin-and-pswpout-items-in-cgroup-v2-doc.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Hao Jia <jiahao1@xxxxxxxxxxx>
Subject: cgroup: docs: add pswpin and pswpout items in cgroup v2 doc
Date: Tue, 18 Mar 2025 15:58:33 +0800
The commit 15ff4d409e1a ("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@xxxxxxxxx
Fixes: 15ff4d409e1a ("mm/memcontrol: add per-memcg pgpgin/pswpin counter")
Signed-off-by: Hao Jia <jiahao1@xxxxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Michal Koutný <mkoutny@xxxxxxxx>
Cc: Muchun Song <muchun.song@xxxxxxxxx>
Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Cc: Shakeel Butt <shakeel.butt@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/admin-guide/cgroup-v2.rst | 6 ++++++
1 file changed, 6 insertions(+)
--- a/Documentation/admin-guide/cgroup-v2.rst~cgroup-docs-add-pswpin-and-pswpout-items-in-cgroup-v2-doc
+++ a/Documentation/admin-guide/cgroup-v2.rst
@@ -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)
_
Patches currently in -mm which might be from jiahao1@xxxxxxxxxxx are
mm-vmscan-split-proactive-reclaim-statistics-from-direct-reclaim-statistics.patch
cgroup-docs-add-pswpin-and-pswpout-items-in-cgroup-v2-doc.patch
