From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f46.google.com (mail-wm0-f46.google.com [74.125.82.46]) by kanga.kvack.org (Postfix) with ESMTP id 8DD5C6B0038 for ; Fri, 27 Nov 2015 11:40:44 -0500 (EST) Received: by wmvv187 with SMTP id v187so77787986wmv.1 for ; Fri, 27 Nov 2015 08:40:44 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id t7si11513177wmf.42.2015.11.27.08.40.43 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 27 Nov 2015 08:40:43 -0800 (PST) Subject: Re: [PATCH] mm: Allow GFP_IOFS for page_cache_read page cache allocation References: <1447251233-14449-1-git-send-email-mhocko@kernel.org> <20151112095301.GA25265@quack.suse.cz> <20151126150820.GI7953@dhcp22.suse.cz> From: Vlastimil Babka Message-ID: <56588789.1010300@suse.cz> Date: Fri, 27 Nov 2015 17:40:41 +0100 MIME-Version: 1.0 In-Reply-To: <20151126150820.GI7953@dhcp22.suse.cz> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko , Jan Kara Cc: linux-mm@kvack.org, Andrew Morton , Tetsuo Handa , Mel Gorman , Dave Chinner , Mark Fasheh , ocfs2-devel@oss.oracle.com, ceph-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, LKML On 11/26/2015 04:08 PM, Michal Hocko wrote: > On Thu 12-11-15 10:53:01, Jan Kara wrote: >> On Wed 11-11-15 15:13:53, mhocko@kernel.org wrote: >>> >>> Hi, >>> this has been posted previously as a part of larger GFP_NOFS related >>> patch set (http://lkml.kernel.org/r/1438768284-30927-1-git-send-email-mhocko%40kernel.org) >>> but I think it makes sense to discuss it even out of that scope. >>> >>> I would like to hear FS and other MM people about the proposed interface. >>> Using mapping_gfp_mask blindly doesn't sound good to me and vm_fault >>> looks like a proper channel to communicate between MM and FS layers. >>> >>> Comments? Are there any better ideas? >> >> Makes sense to me and the filesystems I know should be fine with this >> (famous last words ;). Feel free to add: >> >> Acked-by: Jan Kara > > Thanks a lot! Are there any objections from other fs/mm people? Please replace "GFP_IOFS" in the subject, as the "flag" has been removed recently. Otherwise Acked-by: Vlastimil Babka -- 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