From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f49.google.com (mail-pa0-f49.google.com [209.85.220.49]) by kanga.kvack.org (Postfix) with ESMTP id 157FC6B0032 for ; Wed, 25 Feb 2015 16:51:45 -0500 (EST) Received: by padet14 with SMTP id et14so8354429pad.11 for ; Wed, 25 Feb 2015 13:51:44 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id qe4si13712271pdb.150.2015.02.25.13.51.44 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 25 Feb 2015 13:51:44 -0800 (PST) Date: Wed, 25 Feb 2015 13:51:43 -0800 From: Andrew Morton Subject: Re: __GFP_NOFAIL and oom_killer_disabled? Message-Id: <20150225135143.caa950fc147d9241bf23ae32@linux-foundation.org> In-Reply-To: <201502260648.IBC35479.QMVHOtFOJSFFLO@I-love.SAKURA.ne.jp> References: <20150223102147.GB24272@dhcp22.suse.cz> <201502232203.DGC60931.QVtOLSOOJFMHFF@I-love.SAKURA.ne.jp> <20150224181408.GD14939@dhcp22.suse.cz> <201502252022.AAH51015.OtHLOVFJSMFFQO@I-love.SAKURA.ne.jp> <20150225160223.GH26680@dhcp22.suse.cz> <201502260648.IBC35479.QMVHOtFOJSFFLO@I-love.SAKURA.ne.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Tetsuo Handa Cc: mhocko@suse.cz, hannes@cmpxchg.org, tytso@mit.edu, david@fromorbit.com, dchinner@redhat.com, linux-mm@kvack.org, rientjes@google.com, oleg@redhat.com, mgorman@suse.de, torvalds@linux-foundation.org On Thu, 26 Feb 2015 06:48:02 +0900 Tetsuo Handa wrote: > > OK, that would change the bahavior for __GFP_NOFAIL|~__GFP_FS > > allocations. The patch from Johannes which reverts GFP_NOFS failure mode > > should go to stable and that should be sufficient IMO. > > > > mm-page_alloc-revert-inadvertent-__gfp_fs-retry-behavior-change.patch > fixes only ~__GFP_NOFAIL|~__GFP_FS case. I think we need David's version > http://marc.info/?l=linux-mm&m=142489687015873&w=2 for 3.19-stable . afacit nobody has even tested that. If we want changes made to 3.19.x then they will need to be well tested, well changelogged and signed off. Please. -- 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