Re: [PATCH v3 3/4] mm: treat memory.low value inclusive

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On Fri, Apr 06, 2018 at 01:21:38PM +0100, Roman Gushchin wrote:
> Updated version below.
> 
> --
> 
> From 466c35c36cae392cfee5e54a2884792972e789ee Mon Sep 17 00:00:00 2001
> From: Roman Gushchin <guro@xxxxxx>
> Date: Thu, 5 Apr 2018 19:31:35 +0100
> Subject: [PATCH v4 3/4] mm: treat memory.low value inclusive
> 
> If memcg's usage is equal to the memory.low value, avoid reclaiming
> from this cgroup while there is a surplus of reclaimable memory.
> 
> This sounds more logical and also matches memory.high and memory.max
> behavior: both are inclusive.
> 
> Empty cgroups are not considered protected, so MEMCG_LOW events
> are not emitted for empty cgroups, if there is no more reclaimable
> memory in the system.
> 
> Signed-off-by: Roman Gushchin <guro@xxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxxxx>
> Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: kernel-team@xxxxxx
> Cc: linux-mm@xxxxxxxxx
> Cc: cgroups@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx

Looks good, thanks!

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>




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