From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C4CFC47E49 for ; Thu, 24 Oct 2019 08:20:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4818B2166E for ; Thu, 24 Oct 2019 08:20:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4818B2166E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E92216B0005; Thu, 24 Oct 2019 04:20:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E42956B0006; Thu, 24 Oct 2019 04:20:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D58FC6B0007; Thu, 24 Oct 2019 04:20:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0233.hostedemail.com [216.40.44.233]) by kanga.kvack.org (Postfix) with ESMTP id B40D96B0005 for ; Thu, 24 Oct 2019 04:20:45 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 5C50468AE for ; Thu, 24 Oct 2019 08:20:45 +0000 (UTC) X-FDA: 76077982050.04.fang40_23a36a607263b X-HE-Tag: fang40_23a36a607263b X-Filterd-Recvd-Size: 1799 Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Thu, 24 Oct 2019 08:20:44 +0000 (UTC) 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 6462FAF3F; Thu, 24 Oct 2019 08:20:43 +0000 (UTC) Date: Thu, 24 Oct 2019 10:20:42 +0200 From: Michal Hocko To: Andrew Morton , Mel Gorman , Waiman Long Cc: Johannes Weiner , Roman Gushchin , Vlastimil Babka , Konstantin Khlebnikov , Jann Horn , Song Liu , Greg Kroah-Hartman , Rafael Aquini , linux-mm@kvack.org, LKML Subject: Re: [RFC PATCH 0/2] mm/vmstat: Reduce zone lock hold time when reading /proc/pagetypeinfo Message-ID: <20191024082042.GS17610@dhcp22.suse.cz> References: <20191023095607.GE3016@techsingularity.net> <20191023102737.32274-1-mhocko@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191023102737.32274-1-mhocko@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) 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 Wed 23-10-19 12:27:35, Michal Hocko wrote: [...] > I went with a bound to the pages iteratred over in the free_list. See > patch 2. I will fold http://lkml.kernel.org/r/20191023180121.GN17610@dhcp22.suse.cz to patch 2 unless there are any objections. If there are no further comments I will send the two patches without an RFC tomorrow. Thanks for all the feedback. -- Michal Hocko SUSE Labs