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Diffstat (limited to 'Documentation/admin-guide/cgroup-v1/memory.rst')
-rw-r--r-- | Documentation/admin-guide/cgroup-v1/memory.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/admin-guide/cgroup-v1/memory.rst b/Documentation/admin-guide/cgroup-v1/memory.rst index 286d16fc22eb..d6b1db8cc7eb 100644 --- a/Documentation/admin-guide/cgroup-v1/memory.rst +++ b/Documentation/admin-guide/cgroup-v1/memory.rst @@ -90,6 +90,7 @@ Brief summary of control files. used. memory.swappiness set/show swappiness parameter of vmscan (See sysctl's vm.swappiness) + Per memcg knob does not exist in cgroup v2. memory.move_charge_at_immigrate This knob is deprecated. memory.oom_control set/show oom controls. This knob is deprecated and shouldn't be @@ -609,6 +610,10 @@ memory.stat file includes following statistics: 'rss + mapped_file" will give you resident set size of cgroup. + Note that some kernel configurations might account complete larger + allocations (e.g., THP) towards 'rss' and 'mapped_file', even if + only some, but not all that memory is mapped. + (Note: file and shmem may be shared among other cgroups. In that case, mapped_file is accounted only when the memory cgroup is owner of page cache.) |