Re: [PATCH 2/3] mm, oom: refactor oom_kill_process()

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On Mon, Jul 30, 2018 at 11:00:59AM -0700, Roman Gushchin wrote:
> oom_kill_process() consists of two logical parts: the first one is
> responsible for considering task's children as a potential victim and
> printing the debug information.  The second half is responsible for
> sending SIGKILL to all tasks sharing the mm struct with the given victim.
> 
> This commit splits oom_kill_process() with an intention to re-use the the
> second half: __oom_kill_process().
> 
> The cgroup-aware OOM killer will kill multiple tasks belonging to the
> victim cgroup.  We don't need to print the debug information for the each
> task, as well as play with task selection (considering task's children),
> so we can't use the existing oom_kill_process().
> 
> Link: http://lkml.kernel.org/r/20171130152824.1591-2-guro@xxxxxx
> Signed-off-by: Roman Gushchin <guro@xxxxxx>
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
> Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
> Cc: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
> Cc: David Rientjes <rientjes@xxxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

This is pretty straight-forward.

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>




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