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[209.85.220.65]) by mx.google.com with SMTPS id l13sor8666121edn.10.2019.04.17.04.36.32 for (Google Transport Security); Wed, 17 Apr 2019 04:36:32 -0700 (PDT) Received-SPF: pass (google.com: domain of huangzhaoyang@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=kMbCFC+e; spf=pass (google.com: domain of huangzhaoyang@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=huangzhaoyang@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=eKzmZNT13+qker03LiNcwHRJhLqfn2RV0qJqGvu7EY4=; b=kMbCFC+eUYXJoI5dYtIWxJ5wK3/tha36syWzU3Rv+YAe3oJ6BkXSk74Q3VESpj80dR rwS4k7J7wGEez1GYJIQtaNJcA8/AIEyQMKWheQtXWv5ow8aDkodVTPmMYIqKlv61FFQX 80PmR/Yoddis22cMFJor3N49+ErK3zzL18v3JifdHl06pgVZv3Y90lMwQoeR8omnz3rO 63/jkMGT/TOAn2CeUmPSyGR5c8Sf+pqUna0EBTsd6UTaaYJTkMFUPTXvAnBkqOkUTsIN kXFV1i0kj/vB5ViXpaDufDydMr9N3On2/0gLJCPdeQCZDh3O70/pzzX8ZENA0CXK+mzl rwgQ== X-Google-Smtp-Source: APXvYqyM0mpjUAGmFS7Qeq6tF9uIsM7K3XKsvzCmSbrsHUAUkohN+1Lb9WVOy6rYXPhbo36xcd4zlVfyWMp5FotVF6A= X-Received: by 2002:a50:ac2b:: with SMTP id v40mr19049674edc.54.1555500991965; Wed, 17 Apr 2019 04:36:31 -0700 (PDT) MIME-Version: 1.0 References: <1555487246-15764-1-git-send-email-huangzhaoyang@gmail.com> <20190417110615.GC5878@dhcp22.suse.cz> In-Reply-To: <20190417110615.GC5878@dhcp22.suse.cz> From: Zhaoyang Huang Date: Wed, 17 Apr 2019 19:36:21 +0800 Message-ID: Subject: Re: [RFC PATCH] mm/workingset : judge file page activity via timestamp To: Michal Hocko Cc: Andrew Morton , Vlastimil Babka , Joonsoo Kim , David Rientjes , Zhaoyang Huang , Roman Gushchin , Jeff Layton , "open list:MEMORY MANAGEMENT" , LKML , Pavel Tatashin , Johannes Weiner , Matthew Wilcox Content-Type: text/plain; charset="UTF-8" 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: sorry for the confusion. What I mean is the basic idea doesn't change as replacing the refault criteria from refault_distance to timestamp. But the detailed implementation changed a lot, including fix bugs, update the way of packing the timestamp, 32bit/64bit differentiation etc. So it makes sense for starting a new context. On Wed, Apr 17, 2019 at 7:06 PM Michal Hocko wrote: > > On Wed 17-04-19 18:55:15, Zhaoyang Huang wrote: > > fix one mailbox and update for some information > > > > Comparing to http://lkml.kernel.org/r/1554348617-12897-1-git-send-email-huangzhaoyang@gmail.com, > > this commit fix the packing order error and add trace_printk for > > reference debug information. > > > > For johannes's comments, please find bellowing for my feedback. > > OK, this suggests there is no strong reason to poset a new version of > the patch then. Please do not fragment discussion and continue > discussing in the original email thread until there is some conclusion > reached. > > Thanks! > -- > Michal Hocko > SUSE Labs