From: Yang Shi Date: Fri, 26 Feb 2021 02:12:54 +0000 (-0800) Subject: doc: memcontrol: add description for oom_kill X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1eff491fc44b9a1cd3483e289b987c2d00441f20;p=linux.git doc: memcontrol: add description for oom_kill When debugging an oom issue, I found the oom_kill counter of memcg is confusing. At the first glance without checking document, I thought it just counts for memcg oom, but it turns out it counts both global and memcg oom. The cgroup v2 documents it, but the description is missed for cgroup v1. Signed-off-by: Yang Shi Reviewed-by: Shakeel Butt Acked-by: Michal Hocko Acked-by: Chris Down Link: https://lore.kernel.org/r/20210226021254.3980-1-shy828301@gmail.com Signed-off-by: Jonathan Corbet --- diff --git a/Documentation/admin-guide/cgroup-v1/memory.rst b/Documentation/admin-guide/cgroup-v1/memory.rst index 0936412e044ee..44d5429636e29 100644 --- a/Documentation/admin-guide/cgroup-v1/memory.rst +++ b/Documentation/admin-guide/cgroup-v1/memory.rst @@ -851,6 +851,9 @@ At reading, current status of OOM is shown. (if 1, oom-killer is disabled) - under_oom 0 or 1 (if 1, the memory cgroup is under OOM, tasks may be stopped.) + - oom_kill integer counter + The number of processes belonging to this cgroup killed by any + kind of OOM killer. 11. Memory Pressure ===================