linux-kernel - [PATCH 2/2] cgroup: docs: Add pswpin and pswpout items in cgroup v2 doc

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Message-Id: <20250318075833.90615-3-jiahao.kernel@gmail.com>
Date: Tue, 18 Mar 2025 15:58:33 +0800
From: Hao Jia <jiahao.kernel@...il.com>
To: hannes@...xchg.org,
	akpm@...ux-foundation.org,
	tj@...nel.org,
	corbet@....net,
	mhocko@...nel.org,
	roman.gushchin@...ux.dev,
	shakeel.butt@...ux.dev,
	muchun.song@...ux.dev,
	mkoutny@...e.com
Cc: cgroups@...r.kernel.org,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org,
	Hao Jia <jiahao1@...iang.com>
Subject: [PATCH 2/2] cgroup: docs: Add pswpin and pswpout items in cgroup v2 doc

From: Hao Jia <jiahao1@...iang.com>

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.

Signed-off-by: Hao Jia <jiahao1@...iang.com>
---
 Documentation/admin-guide/cgroup-v2.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index d6692607f80a..c0ae7a76005a 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1555,6 +1555,12 @@ 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)
 
-- 
2.34.1