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Tue, 18 Aug 2020 10:36:38 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 6D802305DD1; Tue, 18 Aug 2020 12:36:37 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 3214D2B2C8DCD; Tue, 18 Aug 2020 12:36:37 +0200 (CEST) Date: Tue, 18 Aug 2020 12:36:37 +0200 From: peterz@infradead.org To: Michal Hocko Cc: Waiman Long , Andrew Morton , Johannes Weiner , Vladimir Davydov , Jonathan Corbet , Alexey Dobriyan , Ingo Molnar , Juri Lelli , Vincent Guittot , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH 0/8] memcg: Enable fine-grained per process memory control Message-ID: <20200818103637.GR2674@hirez.programming.kicks-ass.net> References: <20200817140831.30260-1-longman@redhat.com> <20200818091453.GL2674@hirez.programming.kicks-ass.net> <20200818092617.GN28270@dhcp22.suse.cz> <20200818095910.GM2674@hirez.programming.kicks-ass.net> <20200818100516.GO28270@dhcp22.suse.cz> <20200818101844.GO2674@hirez.programming.kicks-ass.net> <20200818103059.GP28270@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200818103059.GP28270@dhcp22.suse.cz> X-Rspamd-Queue-Id: 3D30A1819E773 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Aug 18, 2020 at 12:30:59PM +0200, Michal Hocko wrote: > The proposal also aims at much richer interface to define the > oom behavior. Oh yeah, I'm not defending any of that prctl() nonsense. Just saying that from a math / control theory point of view, the current thing is a abhorrent failure.