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Message-Id: <20200916100030.71698-1-songmuchun@bytedance.com>
Date: Wed, 16 Sep 2020 18:00:29 +0800
From: Muchun Song <songmuchun@...edance.com>
To: tj@...nel.org, lizefan@...wei.com, hannes@...xchg.org,
corbet@....net, mhocko@...nel.org, vdavydov.dev@...il.com,
akpm@...ux-foundation.org, shakeelb@...gle.com, guro@...com,
rdunlap@...radead.org
Cc: cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
Muchun Song <songmuchun@...edance.com>
Subject: [PATCH v6 1/2] mm: memcontrol: Fix missing suffix of workingset_restore
We forget to add the suffix to the workingset_restore string, so
fix it. And also update the documentation of cgroup-v2.rst.
Fixes: 170b04b7ae49 ("mm/workingset: prepare the workingset detection infrastructure for anon LRU")
Signed-off-by: Muchun Song <songmuchun@...edance.com>
---
changelog in v6:
1. There is no version of v1-v5.
Documentation/admin-guide/cgroup-v2.rst | 25 ++++++++++++++++++-------
mm/memcontrol.c | 4 ++--
2 files changed, 20 insertions(+), 9 deletions(-)
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 6be43781ec7f..baa07b30845e 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1324,15 +1324,26 @@ PAGE_SIZE multiple when read back.
pgmajfault
Number of major page faults incurred
- workingset_refault
- Number of refaults of previously evicted pages
+ workingset_refault_anon
+ Number of refaults of previously evicted anonymous pages.
- workingset_activate
- Number of refaulted pages that were immediately activated
+ workingset_refault_file
+ Number of refaults of previously evicted file pages.
- workingset_restore
- Number of restored pages which have been detected as an active
- workingset before they got reclaimed.
+ workingset_activate_anon
+ Number of refaulted anonymous pages that were immediately
+ activated.
+
+ workingset_activate_file
+ Number of refaulted file pages that were immediately activated.
+
+ workingset_restore_anon
+ Number of restored anonymous pages which have been detected as
+ an active workingset before they got reclaimed.
+
+ workingset_restore_file
+ Number of restored file pages which have been detected as an
+ active workingset before they got reclaimed.
workingset_nodereclaim
Number of times a shadow node has been reclaimed
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 75cd1a1e66c8..0e85a054017f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1574,9 +1574,9 @@ static char *memory_stat_format(struct mem_cgroup *memcg)
memcg_page_state(memcg, WORKINGSET_ACTIVATE_ANON));
seq_buf_printf(&s, "workingset_activate_file %lu\n",
memcg_page_state(memcg, WORKINGSET_ACTIVATE_FILE));
- seq_buf_printf(&s, "workingset_restore %lu\n",
+ seq_buf_printf(&s, "workingset_restore_anon %lu\n",
memcg_page_state(memcg, WORKINGSET_RESTORE_ANON));
- seq_buf_printf(&s, "workingset_restore %lu\n",
+ seq_buf_printf(&s, "workingset_restore_file %lu\n",
memcg_page_state(memcg, WORKINGSET_RESTORE_FILE));
seq_buf_printf(&s, "workingset_nodereclaim %lu\n",
memcg_page_state(memcg, WORKINGSET_NODERECLAIM));
--
2.20.1
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