Re: [PATCH] doc: memcontrol: add description for oom_kill

[Chris Down]

Yang Shi writes:
> 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 <shy828301@xxxxxxxxx>

Thanks.

Acked-by: Chris Down <chris@xxxxxxxxxxxxxx>

> ---
> Documentation/admin-guide/cgroup-v1/memory.rst | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/admin-guide/cgroup-v1/memory.rst b/Documentation/admin-guide/cgroup-v1/memory.rst
> index 0936412e044e..44d5429636e2 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
> ===================
> --
> 2.26.2