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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-12-17 18:37:24 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-12-17 18:37:24 +0100 |
| commit | 281a94b0f2f0775a2b7825c18bccf7e4c922b7b3 (patch) | |
| tree | 9c6b8a2d392a1640d84989de25e079f3758c4f1a /Documentation/admin-guide/cgroup-v1/memcg_test.rst | |
| parent | perf tools: Reformat record's control fd man text (diff) | |
| parent | Merge tag 'arm-soc-omap-genpd-5.11' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| download | linux-281a94b0f2f0775a2b7825c18bccf7e4c922b7b3.tar.xz linux-281a94b0f2f0775a2b7825c18bccf7e4c922b7b3.zip | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes and check what UAPI headers need to be synched.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'Documentation/admin-guide/cgroup-v1/memcg_test.rst')
| -rw-r--r-- | Documentation/admin-guide/cgroup-v1/memcg_test.rst | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/Documentation/admin-guide/cgroup-v1/memcg_test.rst b/Documentation/admin-guide/cgroup-v1/memcg_test.rst index 3f7115e07b5d..45b94f7b3beb 100644 --- a/Documentation/admin-guide/cgroup-v1/memcg_test.rst +++ b/Documentation/admin-guide/cgroup-v1/memcg_test.rst @@ -133,18 +133,9 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y. 8. LRU ====== - Each memcg has its own private LRU. Now, its handling is under global - VM's control (means that it's handled under global pgdat->lru_lock). - Almost all routines around memcg's LRU is called by global LRU's - list management functions under pgdat->lru_lock. - - A special function is mem_cgroup_isolate_pages(). This scans - memcg's private LRU and call __isolate_lru_page() to extract a page - from LRU. - - (By __isolate_lru_page(), the page is removed from both of global and - private LRU.) - + Each memcg has its own vector of LRUs (inactive anon, active anon, + inactive file, active file, unevictable) of pages from each node, + each LRU handled under a single lru_lock for that memcg and node. 9. Typical Tests. ================= @@ -219,13 +210,11 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y. This is an easy way to test page migration, too. -9.5 mkdir/rmdir ---------------- +9.5 nested cgroups +------------------ - When using hierarchy, mkdir/rmdir test should be done. - Use tests like the following:: + Use tests like the following for testing nested cgroups:: - echo 1 >/opt/cgroup/01/memory/use_hierarchy mkdir /opt/cgroup/01/child_a mkdir /opt/cgroup/01/child_b |