From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id 51AAB6B0047 for ; Fri, 19 Feb 2010 04:42:36 -0500 (EST) Received: from kpbe18.cbf.corp.google.com (kpbe18.cbf.corp.google.com [172.25.105.82]) by smtp-out.google.com with ESMTP id o1J9gXUO001540 for ; Fri, 19 Feb 2010 01:42:33 -0800 Received: from pzk41 (pzk41.prod.google.com [10.243.19.169]) by kpbe18.cbf.corp.google.com with ESMTP id o1J9gVUM013472 for ; Fri, 19 Feb 2010 01:42:32 -0800 Received: by pzk41 with SMTP id 41so1740681pzk.0 for ; Fri, 19 Feb 2010 01:42:31 -0800 (PST) Date: Fri, 19 Feb 2010 01:42:27 -0800 (PST) From: David Rientjes Subject: Re: [regression] cpuset,mm: update tasks' mems_allowed in time (58568d2) In-Reply-To: <20100219164754.A1C3.A69D9226@jp.fujitsu.com> Message-ID: References: <20100218134921.GF9738@laptop> <20100219164754.A1C3.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: KOSAKI Motohiro Cc: Nick Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Miao Xie , Lee Schermerhorn List-ID: On Fri, 19 Feb 2010, KOSAKI Motohiro wrote: > Personally, I like just revert at once than bandaid. 58568d2 didn't > introduce any new feature, then we can revet it without abi breakage. > Revert a commit from more than six months ago when the fix is probably a small patch in cpuset_attach()? I think we can do better than that. This may not have introduced a new feature, but it was a worthwhile change to avoid the old cpuset_update_task_memory_state() hooks in mempolicy, page allocator, etc. code that could block on callback_mutex for iterating the hierarchy. -- 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