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Date: Wed, 4 Oct 2017 15:14:32 -0400 From: Johannes Weiner <hannes@...xchg.org> To: Roman Gushchin <guro@...com> Cc: linux-mm@...ck.org, Vladimir Davydov <vdavydov.dev@...il.com>, Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>, David Rientjes <rientjes@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>, Tejun Heo <tj@...nel.org>, kernel-team@...com, cgroups@...r.kernel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [v10 1/6] mm, oom: refactor the oom_kill_process() function On Wed, Oct 04, 2017 at 04:46:33PM +0100, Roman Gushchin wrote: > The oom_kill_process() function 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 the oom_kill_process() function 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(). > > Signed-off-by: Roman Gushchin <guro@...com> > Acked-by: Michal Hocko <mhocko@...nel.org> > Acked-by: David Rientjes <rientjes@...gle.com> > Cc: Vladimir Davydov <vdavydov.dev@...il.com> > Cc: Johannes Weiner <hannes@...xchg.org> > Cc: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp> > Cc: David Rientjes <rientjes@...gle.com> > Cc: Andrew Morton <akpm@...ux-foundation.org> > Cc: Tejun Heo <tj@...nel.org> > Cc: kernel-team@...com > Cc: cgroups@...r.kernel.org > Cc: linux-doc@...r.kernel.org > Cc: linux-kernel@...r.kernel.org > Cc: linux-mm@...ck.org Acked-by: Johannes Weiner <hannes@...xchg.org>
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