linux-kernel - Re: [PATCH 2/4] oom: Do not invoke oom notifiers on sysrq+f

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Message-ID: <alpine.DEB.2.10.1507141458350.16182@chino.kir.corp.google.com>
Date:	Tue, 14 Jul 2015 14:58:55 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Michal Hocko <mhocko@...nel.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jakob Unterwurzacher <jakobunt@...il.com>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] oom: Do not invoke oom notifiers on sysrq+f

On Fri, 10 Jul 2015, Michal Hocko wrote:

> Shrinkers are there to reclaim and prevent from OOM. This API is a gray
> zone. It looks generic method for the notification yet it allows to
> prevent from oom killer. I can imagine somebody might abuse this
> interface to implement OOM killer policies.
> 
> Anyway, I think it would be preferable to kill it altogether rather than
> play with its placing. It will always be a questionable API.
> 

Agreed.
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