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[209.85.220.41]) by mx.google.com with SMTPS id d8sor14235788wrv.34.2019.02.28.16.48.36 for (Google Transport Security); Thu, 28 Feb 2019 16:48:36 -0800 (PST) Received-SPF: pass (google.com: domain of surenb@google.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b="GI/zuqCI"; spf=pass (google.com: domain of surenb@google.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=surenb@google.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=WUF9upp5Sc9hpRcfHYe6o4pIknSTcuJf2d5TiQYopRI=; b=GI/zuqCIrPa3mlgPfUMsWv/pXF1XtAjed2MhiFwwniAk/W8jX4eTNunQ4swvo7QxN3 W/vgt864iTN6WrVIKg8V3GbuZdo1NA1LZNuh3DY3Rtn1r7lp/3AAM7zGIeF1tKcpEGfD SP/scWjvlmv5A7eV7VKSmX44S1iMjw78r742NJyLrYLtZszqEUOLdwBeMnVUTkicoBo9 k9SS7vmjqu0okD5hXd0WZaddFNsivyThherGLbJm2DpIb8EcKDJsR5AlvFvpmzIXxyZc At4tzJePIKG7UaUpoyaCP0I9oi+H96RmkzRmz2f9lg1CuyJK6oT/vj3vKROwrCjOcw5L MIwg== X-Google-Smtp-Source: APXvYqzTrq3UcyKiv1YhEupQFKOS//qbQNxO3kQkPTK+C4boixjrQ9eQf24I+40l3q8M3DMvbPN1qIv5WWYG+D5A82s= X-Received: by 2002:a5d:52ca:: with SMTP id r10mr1438037wrv.187.1551401315983; Thu, 28 Feb 2019 16:48:35 -0800 (PST) MIME-Version: 1.0 From: Suren Baghdasaryan Date: Thu, 28 Feb 2019 16:48:24 -0800 Message-ID: Subject: [LSF/MM TOPIC] Usage of PSI in Android lmkd To: lsf-pc@lists.linux-foundation.org Cc: linux-mm Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.001365, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Dear LSF/MM committee, I would like to suggest the following topics for a discussion with members of mm community: * How we tackle memory pressure detection in Android using new PSI signals * PSI monitor design that I'm trying to upstream * Memory pressure-related issues that we are trying to solve on Android including the best metrics to judge about memory pressure, how to expedite process kills, how to detect when a killed process is really dead (reclaimed its pages). While I don't claim to be an expert in the mm area I spent considerable amount of time researching and working on memory-related issues on Android, used and tested psi quite extensively and implemented psi monitors. Thanks, Suren.