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mm: memcontrol: fix missing suffix of workingset_restore

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We forget to add the suffix to the workingset_restore string, so fix it.

And also update the documentation of cgroup-v2.rst.

Fixes: 170b04b7ae ("mm/workingset: prepare the workingset detection infrastructure for anon LRU")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Link: https://lkml.kernel.org/r/20200916100030.71698-1-songmuchun@bytedance.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Muchun Song 2020-09-25 21:19:05 -07:00 committed by Linus Torvalds
parent 4166343058
commit 8d3fe09d8d
2 changed files with 20 additions and 9 deletions
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25
Documentation/admin-guide/cgroup-v2.rst
View File

@ -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

4
mm/memcontrol.c
View File

@ -1538,9 +1538,9 @@ 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));