From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f71.google.com (mail-pg0-f71.google.com [74.125.83.71]) by kanga.kvack.org (Postfix) with ESMTP id 94E6D6B0033 for ; Wed, 18 Jan 2017 02:22:19 -0500 (EST) Received: by mail-pg0-f71.google.com with SMTP id d185so7225973pgc.2 for ; Tue, 17 Jan 2017 23:22:19 -0800 (PST) Received: from out0-151.mail.aliyun.com (out0-151.mail.aliyun.com. [140.205.0.151]) by mx.google.com with ESMTP id 31si27556520pli.135.2017.01.17.23.22.18 for ; Tue, 17 Jan 2017 23:22:18 -0800 (PST) Reply-To: "Hillf Danton" From: "Hillf Danton" References: <20170117221610.22505-1-vbabka@suse.cz> <20170117221610.22505-4-vbabka@suse.cz> In-Reply-To: <20170117221610.22505-4-vbabka@suse.cz> Subject: Re: [RFC 3/4] mm, page_alloc: move cpuset seqcount checking to slowpath Date: Wed, 18 Jan 2017 15:22:13 +0800 Message-ID: <036f01d2715b$97827e80$c6877b80$@alibaba-inc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Language: zh-cn Sender: owner-linux-mm@kvack.org List-ID: To: 'Vlastimil Babka' , 'Mel Gorman' , 'Ganapatrao Kulkarni' Cc: 'Michal Hocko' , linux-kernel@vger.kernel.org, linux-mm@kvack.org On Wednesday, January 18, 2017 6:16 AM Vlastimil Babka wrote: > > This is a preparation for the following patch to make review simpler. While > the primary motivation is a bug fix, this could also save some cycles in the > fast path. > This also gets kswapd involved. Dunno how frequent cpuset is changed in real life. Hillf -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org