Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp1790008ybi; Thu, 20 Jun 2019 03:55:38 -0700 (PDT) X-Google-Smtp-Source: APXvYqxreMG9gJnEVXsUnTRiYRyZ0h2POICV06A0AxklFBM/Un83Lxr/gRIWnYqEBJTEY1Ufa6Mq X-Received: by 2002:a65:5006:: with SMTP id f6mr7352419pgo.402.1561028138117; Thu, 20 Jun 2019 03:55:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561028138; cv=none; d=google.com; s=arc-20160816; b=MarIHwKA37oCA3p+DG6Vz4ZLlbJdF6UMW7fK66U6SVdpPXMzkYzbtOzgG5uE3cV5K4 A0LjCpnZASwkiInZxsOTriSfKNZ7fKraUzIzBg1EB6KcR+BwRPEnzFOl2/c4WaNQu/yA 0gGrOlUMV8F+m4xeVvcXyKHCOkSb82cGI0EnE3/6U1OUieSdZBwacqdMTfhfKtaaTo0Y AX+5pJk2mlzCotu83AHqReBVhRbdZi0L4TIcacHuvp4IODMpKVhgDJhItJxxFcc+8TYN BN1/ckFjVsbTz/JWKXV45wS/T0IUAhVPRqZ+RnH1zEsxaZtcFmX3kvQL58zVisE3/kyx C46w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=HWB6I6qwTBLuFCielVRE3Fsv1M7FpNu2jxa57O/iHvo=; b=GcU6Ud11SqcJxKIFaeH//Sp7pm86cHZIWvQ7qgBMghnVWHUSTtR0KaJuIibYc3xUit 3tL1V0qTD+K8dnkKDfXoocYyhg2bDNaCxCR4pDyCNXOlf4BZ8Z8Tg3ll1QTjp4KQdFMW vLXxTLsmEynqQV/FfeVI9z1f7KOuQZyaQU5OH+7YIW2S6qbdy2U/WdGT7yMtb4DZIhkP 7BM4RVT4ZYLhV9Ih7GbgdxK03TatZ0WE5g/2KvRv1V1wWawbzFkrC5MkJ87Z/21vNhhd SMx+naWiIGV33+b88iZp0vwZQR0gm4nsvySR3ph6+9SICwNN4JnxrsgW2G28HcLbZCCf Uw+A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a14si5597998pgm.206.2019.06.20.03.55.22; Thu, 20 Jun 2019 03:55:38 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726492AbfFTKzS (ORCPT + 99 others); Thu, 20 Jun 2019 06:55:18 -0400 Received: from mx2.suse.de ([195.135.220.15]:37298 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726211AbfFTKzS (ORCPT ); Thu, 20 Jun 2019 06:55:18 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 03F8AAD12; Thu, 20 Jun 2019 10:55:16 +0000 (UTC) Date: Thu, 20 Jun 2019 12:55:15 +0200 From: Michal Hocko To: Minchan Kim Cc: Andrew Morton , linux-mm , LKML , linux-api@vger.kernel.org, Johannes Weiner , Tim Murray , Joel Fernandes , Suren Baghdasaryan , Daniel Colascione , Shakeel Butt , Sonny Rao , Brian Geffon , jannh@google.com, oleg@redhat.com, christian@brauner.io, oleksandr@redhat.com, hdanton@sina.com, lizeb@google.com Subject: Re: [PATCH v2 4/5] mm: introduce MADV_PAGEOUT Message-ID: <20190620105515.GE12083@dhcp22.suse.cz> References: <20190610111252.239156-1-minchan@kernel.org> <20190610111252.239156-5-minchan@kernel.org> <20190619132450.GQ2968@dhcp22.suse.cz> <20190620041620.GB105727@google.com> <20190620070444.GB12083@dhcp22.suse.cz> <20190620084040.GD105727@google.com> <20190620092209.GD12083@dhcp22.suse.cz> <20190620103215.GF105727@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190620103215.GF105727@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 20-06-19 19:32:15, Minchan Kim wrote: [...] > Then, okay, I will add can_do_mincore similar check for the MADV_PAGEOUT syscall > if others have different ideas. Great that we are on the same page. We can simply skip over those pages. -- Michal Hocko SUSE Labs