From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f180.google.com (mail-ig0-f180.google.com [209.85.213.180]) by kanga.kvack.org (Postfix) with ESMTP id C60D26B025F for ; Wed, 30 Dec 2015 15:17:48 -0500 (EST) Received: by mail-ig0-f180.google.com with SMTP id mw1so56294356igb.1 for ; Wed, 30 Dec 2015 12:17:48 -0800 (PST) Received: from mail-io0-x232.google.com (mail-io0-x232.google.com. [2607:f8b0:4001:c06::232]) by mx.google.com with ESMTPS id 83si6708641iob.197.2015.12.30.12.17.48 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 30 Dec 2015 12:17:48 -0800 (PST) Received: by mail-io0-x232.google.com with SMTP id o67so359454110iof.3 for ; Wed, 30 Dec 2015 12:17:48 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <20150913185940.GA25369@htj.duckdns.org> <55FEC685.5010404@oracle.com> <20150921200141.GH13263@mtj.duckdns.org> <20151125144354.GB17308@twins.programming.kicks-ass.net> <20151125150207.GM11639@twins.programming.kicks-ass.net> <20151125174449.GD17308@twins.programming.kicks-ass.net> <20151211162554.GS30240@mtj.duckdns.org> <20151215192245.GK6357@twins.programming.kicks-ass.net> <20151230092337.GD3873@htj.duckdns.org> Date: Wed, 30 Dec 2015 12:17:48 -0800 Message-ID: Subject: Re: [PATCH v4.4-rc7] sched: isolate task_struct bitfields according to synchronization domains From: Linus Torvalds Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Tejun Heo Cc: Andrey Ryabinin , Ingo Molnar , Sasha Levin , Andrew Morton , Johannes Weiner , Michal Hocko , cgroups , "linux-mm@kvack.org" , Vladimir Davydov , kernel-team , Dmitry Vyukov , Peter Zijlstra On Wed, Dec 30, 2015 at 12:10 PM, Linus Torvalds wrote: > > Also, quite frankly, since this is basically very close to other > fields that are *not* unsigned longs, I'd really prefer to not > unnecessarily use a 64-bit field for three bits each. Side note: I don't hate the patch. I think it's a good catch, and would take it as-is. I just think it could be better. Linus -- 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