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[211.29.132.249]) by mx.google.com with ESMTP id d1si44001255pld.318.2019.08.06.14.38.15 for ; Tue, 06 Aug 2019 14:38:16 -0700 (PDT) Received-SPF: neutral (google.com: 211.29.132.249 is neither permitted nor denied by best guess record for domain of david@fromorbit.com) client-ip=211.29.132.249; Authentication-Results: mx.google.com; spf=neutral (google.com: 211.29.132.249 is neither permitted nor denied by best guess record for domain of david@fromorbit.com) smtp.mailfrom=david@fromorbit.com Received: from dread.disaster.area (pa49-181-167-148.pa.nsw.optusnet.com.au [49.181.167.148]) by mail105.syd.optusnet.com.au (Postfix) with ESMTPS id 0DF2C3611A0; Wed, 7 Aug 2019 07:38:15 +1000 (AEST) Received: from dave by dread.disaster.area with local (Exim 4.92) (envelope-from ) id 1hv78m-0005E4-4F; Wed, 07 Aug 2019 07:37:08 +1000 Date: Wed, 7 Aug 2019 07:37:08 +1000 From: Dave Chinner To: Christoph Hellwig Cc: linux-xfs@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: Re: [RFC] [PATCH 00/24] mm, xfs: non-blocking inode reclaim Message-ID: <20190806213708.GK7777@dread.disaster.area> References: <20190801021752.4986-1-david@fromorbit.com> <20190806055744.GC25736@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190806055744.GC25736@infradead.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Optus-CM-Score: 0 X-Optus-CM-Analysis: v=2.2 cv=P6RKvmIu c=1 sm=1 tr=0 cx=a_idp_d a=gu9DDhuZhshYSb5Zs/lkOA==:117 a=gu9DDhuZhshYSb5Zs/lkOA==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=kj9zAlcOel0A:10 a=FmdZ9Uzk2mMA:10 a=7-415B0cAAAA:8 a=6Ra6EZb4IHi7eq9aHn8A:9 a=CjuIK1q_8ugA:10 a=biEYGPWJfzWAr4FL6Ov7:22 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Aug 05, 2019 at 10:57:44PM -0700, Christoph Hellwig wrote: > Hi Dave, > > do you have a git tree available to look over the whole series? Not yet, I'll get one up for the next version of the patchset and I have done some page cache vs inode cache balance testing. That, FWIW, is not looking good - the vanilla 5.3-rc3 kernel is unable to maintain a balanced page cache/inode cache working set under steady state tarball-extraction workloads. Memory reclaim looks to be have been completely borked from a system balance perspective since I last looked at it maybe a year ago.... Cheers, Dave. -- Dave Chinner david@fromorbit.com