From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [PATCH v3] mm, sysctl: make NUMA stats configurable To: Michal Hocko , kemi References: <1506579101-5457-1-git-send-email-kemi.wang@intel.com> <20171003092352.2wh2jbtt2dudfi5a@dhcp22.suse.cz> <221a1e93-ee33-d598-67de-d6071f192040@intel.com> <20171009075549.pzohdnerillwuhqo@dhcp22.suse.cz> <20171010054902.sqp6yyid6qqhpsrt@dhcp22.suse.cz> Cc: "Luis R . Rodriguez" , Kees Cook , Andrew Morton , Jonathan Corbet , Mel Gorman , Johannes Weiner , Christopher Lameter , Sebastian Andrzej Siewior , Vlastimil Babka , Tim Chen , Andi Kleen , Jesper Dangaard Brouer , Ying Huang , Aaron Lu , Proc sysctl , Linux MM , Linux Kernel From: Dave Hansen Message-ID: Date: Tue, 10 Oct 2017 07:29:31 -0700 MIME-Version: 1.0 In-Reply-To: <20171010054902.sqp6yyid6qqhpsrt@dhcp22.suse.cz> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: On 10/09/2017 10:49 PM, Michal Hocko wrote: > On Mon 09-10-17 09:55:49, Michal Hocko wrote: >> I haven't checked closely but what happens (or should happen) when you >> do a partial read? Should you get an inconsistent results? Or is this >> impossible? > Well, after thinking about it little bit more, partial reads are always > inconsistent so this wouldn't add a new problem. > > Anyway I still stand by my position that this sounds over-engineered and > a simple 0/1 resp. on/off interface would be both simpler and safer. If > anybody wants an auto mode it can be added later (as a value 2 resp. > auto). 0/1 with the default set to the strict, slower mode? -- 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