From ceaea21cf3b78fa5be0e80744b65885415ebe458 Mon Sep 17 00:00:00 2001 From: Muchun Song Date: Fri, 25 Sep 2020 21:19:05 -0700 Subject: [PATCH] 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: 130101b57f67 ("mm/workingset: prepare the workingset detection infrastructure for anon LRU") Signed-off-by: Muchun Song Signed-off-by: Andrew Morton Reviewed-by: Shakeel Butt Cc: Joonsoo Kim Cc: Johannes Weiner Cc: Vlastimil Babka Cc: Tejun Heo Cc: Zefan Li Cc: Jonathan Corbet Cc: Michal Hocko Cc: Vladimir Davydov Cc: Roman Gushchin Cc: Randy Dunlap Link: https://lkml.kernel.org/r/20200916100030.71698-1-songmuchun@bytedance.com Signed-off-by: Linus Torvalds --- 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 6be43781ec7f3..baa07b30845e2 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 cfa6cbad21d55..6877c765b8d03 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -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)); -- 2.39.5