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[54.240.9.36]) by mx.google.com with ESMTPS id u17si1672459qvi.206.2019.04.24.09.28.14 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 24 Apr 2019 09:28:14 -0700 (PDT) Received-SPF: pass (google.com: domain of 0100016a502d17bc-8b2811c6-0291-44c0-8505-5eba8d32c504-000000@amazonses.com designates 54.240.9.36 as permitted sender) client-ip=54.240.9.36; Authentication-Results: mx.google.com; dkim=pass header.i=@amazonses.com header.s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw header.b=bF9FyrEw; spf=pass (google.com: domain of 0100016a502d17bc-8b2811c6-0291-44c0-8505-5eba8d32c504-000000@amazonses.com designates 54.240.9.36 as permitted sender) smtp.mailfrom=0100016a502d17bc-8b2811c6-0291-44c0-8505-5eba8d32c504-000000@amazonses.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=6gbrjpgwjskckoa6a5zn6fwqkn67xbtw; d=amazonses.com; t=1556123293; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:MIME-Version:Content-Type:Feedback-ID; bh=YW5yk4iqJIXJrcqAFRbBRT9RX/ir7l/OVfuDBnw+neg=; b=bF9FyrEwOhQNzholR5NyuI56Z1TsOamsXnTxBgSa7420fSUjfdX61afD7ffAv7l4 WxVMBoMKUKV535+EqTCN5yyaK1TeodtCuX723L/Ihjb9Romn6CcVh0nbRXUVOfe5W0K KKrajDnI8LwGkpLcgl1+i6SfTEaJxAj1sSpBajYw= Date: Wed, 24 Apr 2019 16:28:13 +0000 From: Christopher Lameter X-X-Sender: cl@nuc-kabylake To: Johannes Weiner cc: Shakeel Butt , lsf-pc@lists.linux-foundation.org, Linux MM , Michal Hocko , Rik van Riel , Roman Gushchin Subject: Re: [LSF/MM TOPIC] Proactive Memory Reclaim In-Reply-To: <20190423173128.GA3601@cmpxchg.org> Message-ID: <0100016a502d17bc-8b2811c6-0291-44c0-8505-5eba8d32c504-000000@email.amazonses.com> References: <20190423173128.GA3601@cmpxchg.org> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-SES-Outgoing: 2019.04.24-54.240.9.36 Feedback-ID: 1.us-east-1.fQZZZ0Xtj2+TD7V5apTT/NrT6QKuPgzCT/IC7XYgDKI=:AmazonSES 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: Could we retitle this "Improve background reclaim"? This is a basic function of the VM that we seek to improve. It is already proactive by predicting reclaim based on the LRU. We have tried to improve that a couple of times over the years. This is bringing new ideas to the table but its not something entirely new.