Re: [PATCH] [PATCH v3] mm, oom: task_will_free_mem(current) should ignore MMF_OOM_SKIP for once.

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On Fri 22-09-17 17:57:26, Tetsuo Handa wrote:
[...]
> Michal Hocko has nacked this patch [3], and he suggested an alternative
> patch [4]. But he himself is not ready to clarify all the concerns with
> the alternative patch [5]. In addition to that, nobody is interested in
> either patch; we can not make progress here. Let's choose this patch for
> now, for this patch has smaller impact than the alternative patch.

My Nack stands and it is really annoying you are sending a patch for
inclusion regardless of that fact. An alternative approach has been
proposed and the mere fact that I do not have time to pursue this
direction is not reason to go with a incomplete solution. This is not an
issue many people would be facing to scream for a quick and dirty
workarounds AFAIK (there have been 0 reports from non-artificial
workloads).

> [1] http://lkml.kernel.org/r/e6c83a26-1d59-4afd-55cf-04e58bdde188@xxxxxxxxxxxxxxxxxx
> [2] http://lkml.kernel.org/r/201708090835.ICI69305.VFFOLMHOStJOQF@xxxxxxxxxxxxxxxxxxx
> [3] http://lkml.kernel.org/r/20170821084307.GB25956@xxxxxxxxxxxxxx
> [4] http://lkml.kernel.org/r/1503577106-9196-2-git-send-email-penguin-kernel@xxxxxxxxxxxxxxxxxxx
> [5] http://lkml.kernel.org/r/20170918064353.v35prpp6bkkbgqr6@xxxxxxxxxxxxxx
> 
> Fixes: 696453e66630ad45 ("mm, oom: task_will_free_mem should skip oom_reaped tasks")
> Reported-by: Manish Jaggi <mjaggi@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxx>
> Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
> Cc: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
> Cc: David Rientjes <rientjes@xxxxxxxxxx>
-- 
Michal Hocko
SUSE Labs

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