From: Muchun Song <songmuchun@xxxxxxxxxxxxx> Subject: 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. Link: https://lkml.kernel.org/r/20200916100030.71698-1-songmuchun@xxxxxxxxxxxxx Fixes: 170b04b7ae49 ("mm/workingset: prepare the workingset detection infrastructure for anon LRU") Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Tejun Heo <tj@xxxxxxxxxx> Cc: Zefan Li <lizefan@xxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx> Cc: Roman Gushchin <guro@xxxxxx> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/admin-guide/cgroup-v2.rst | 25 +++++++++++++++------- mm/memcontrol.c | 4 +-- 2 files changed, 20 insertions(+), 9 deletions(-) --- a/Documentation/admin-guide/cgroup-v2.rst~mm-memcontrol-fix-missing-suffix-of-workingset_restore +++ a/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 --- a/mm/memcontrol.c~mm-memcontrol-fix-missing-suffix-of-workingset_restore +++ a/mm/memcontrol.c @@ -1538,9 +1538,9 @@ static char *memory_stat_format(struct m 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)); _