Re: [patch -mm v2 2/3] mm, memcg: replace cgroup aware oom killer mount option with tunable

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jan 30, 2018 at 01:20:11PM +0100, Michal Hocko wrote:
> From 361275a05ad7026b8f721f8aa756a4975a2c42b1 Mon Sep 17 00:00:00 2001
> From: Michal Hocko <mhocko@xxxxxxxx>
> Date: Tue, 30 Jan 2018 09:54:15 +0100
> Subject: [PATCH] oom, memcg: clarify root memcg oom accounting
> 
> David Rientjes has pointed out that the current way how the root memcg
> is accounted for the cgroup aware OOM killer is undocumented. Unlike
> regular cgroups there is no accounting going on in the root memcg
> (mostly for performance reasons). Therefore we are suming up oom_badness
> of its tasks. This might result in an over accounting because of the
> oom_score_adj setting. Document this for now.
> 
> Acked-by: Roman Gushchin <guro@xxxxxx>
> Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks, Michal.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux