From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by kanga.kvack.org (Postfix) with ESMTP id 8BE7F6B0003 for ; Wed, 27 Jun 2018 03:22:10 -0400 (EDT) Received: by mail-ed1-f70.google.com with SMTP id f6-v6so1052614eds.6 for ; Wed, 27 Jun 2018 00:22:10 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id w44-v6si1641395edb.165.2018.06.27.00.22.08 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 27 Jun 2018 00:22:09 -0700 (PDT) Date: Wed, 27 Jun 2018 09:22:07 +0200 From: Michal Hocko Subject: Re: [PATCH] mm,oom: Bring OOM notifier callbacks to outside of OOM killer. Message-ID: <20180627072207.GB32348@dhcp22.suse.cz> References: <1529493638-6389-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> <20180621073142.GA10465@dhcp22.suse.cz> <2d8c3056-1bc2-9a32-d745-ab328fd587a1@i-love.sakura.ne.jp> <20180626170345.GA3593@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180626170345.GA3593@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Paul E. McKenney" Cc: Tetsuo Handa , David Rientjes , linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org On Tue 26-06-18 10:03:45, Paul E. McKenney wrote: [...] > 3. Something else? How hard it would be to use a different API than oom notifiers? E.g. a shrinker which just kicks all the pending callbacks if the reclaim priority reaches low values (e.g. 0)? -- Michal Hocko SUSE Labs