From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qc0-f176.google.com (mail-qc0-f176.google.com [209.85.216.176]) by kanga.kvack.org (Postfix) with ESMTP id 90EFA6B006E for ; Thu, 15 Jan 2015 13:55:47 -0500 (EST) Received: by mail-qc0-f176.google.com with SMTP id b13so2729180qcw.7 for ; Thu, 15 Jan 2015 10:55:47 -0800 (PST) Received: from mail-qg0-x22c.google.com (mail-qg0-x22c.google.com. [2607:f8b0:400d:c04::22c]) by mx.google.com with ESMTPS id w3si3093142qaj.20.2015.01.15.10.55.46 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 15 Jan 2015 10:55:46 -0800 (PST) Received: by mail-qg0-f44.google.com with SMTP id l89so4424971qgf.3 for ; Thu, 15 Jan 2015 10:55:46 -0800 (PST) Date: Thu, 15 Jan 2015 13:55:43 -0500 From: Tejun Heo Subject: Re: [PATCH 3/6] memcg: track shared inodes with dirty pages Message-ID: <20150115185543.GA28195@htj.dyndns.org> References: <20150115180242.10450.92.stgit@buzz> <20150115184914.10450.51964.stgit@buzz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150115184914.10450.51964.stgit@buzz> Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khebnikov Cc: linux-mm@kvack.org, cgroups@vger.kernel.org, Roman Gushchin , Jan Kara , Dave Chinner , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, koct9i@gmail.com On Thu, Jan 15, 2015 at 09:49:14PM +0300, Konstantin Khebnikov wrote: > From: Konstantin Khlebnikov > > Inode is owned only by one memory cgroup, but if it's shared it might > contain pages from multiple cgroups. This patch detects this situation > in memory reclaiemer and marks dirty inode with flag I_DIRTY_SHARED > which is cleared only when data is completely written. Memcg writeback > always writes such inodes. > > Signed-off-by: Konstantin Khlebnikov This conflicts with the writeback cgroup support patchset which will solve the writeback and memcg problem a lot more comprehensively. http://lkml.kernel.org/g/1420579582-8516-1-git-send-email-tj@kernel.org Thanks. -- tejun -- 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