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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 8EF29C433ED for ; Mon, 17 May 2021 15:29:31 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4B50261004 for ; Mon, 17 May 2021 15:29:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4B50261004 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D8C506B0072; Mon, 17 May 2021 11:29:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D63AD6B0073; Mon, 17 May 2021 11:29:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C51CF6B0074; Mon, 17 May 2021 11:29:30 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0248.hostedemail.com [216.40.44.248]) by kanga.kvack.org (Postfix) with ESMTP id 94A3C6B0072 for ; Mon, 17 May 2021 11:29:30 -0400 (EDT) Received: from smtpin31.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 396C51809CD88 for ; Mon, 17 May 2021 15:29:30 +0000 (UTC) X-FDA: 78151107300.31.92CA5F6 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf18.hostedemail.com (Postfix) with ESMTP id D168620001D6 for ; Mon, 17 May 2021 15:29:28 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id AA1B8B038; Mon, 17 May 2021 15:29:28 +0000 (UTC) Date: Mon, 17 May 2021 16:29:26 +0100 From: Mel Gorman To: Yang Shi Cc: kirill.shutemov@linux.intel.com, ziy@nvidia.com, mhocko@suse.com, ying.huang@intel.com, hughd@google.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com, akpm@linux-foundation.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [v2 PATCH 5/7] mm: migrate: don't split THP for misplaced NUMA page Message-ID: <20210517152926.GY3672@suse.de> References: <20210413212416.3273-1-shy828301@gmail.com> <20210413212416.3273-6-shy828301@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20210413212416.3273-6-shy828301@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Authentication-Results: imf18.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf18.hostedemail.com: domain of mgorman@suse.de designates 195.135.220.15 as permitted sender) smtp.mailfrom=mgorman@suse.de X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: D168620001D6 X-Stat-Signature: 1wd8rnjos7x1ygkj5r4nr3yyyhset4a9 X-HE-Tag: 1621265368-361141 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 Tue, Apr 13, 2021 at 02:24:14PM -0700, Yang Shi wrote: > The old behavior didn't split THP if migration is failed due to lack of > memory on the target node. But the THP migration does split THP, so keep > the old behavior for misplaced NUMA page migration. > > Signed-off-by: Yang Shi Acked-by: Mel Gorman -- Mel Gorman SUSE Labs