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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 9F6F3C433E0 for ; Mon, 18 May 2020 01:21:45 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 59D0E207BB for ; Mon, 18 May 2020 01:21:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="aPVmiXy9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 59D0E207BB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 041D2900002; Sun, 17 May 2020 21:21:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F0BB380005; Sun, 17 May 2020 21:21:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DADF5900004; Sun, 17 May 2020 21:21:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0046.hostedemail.com [216.40.44.46]) by kanga.kvack.org (Postfix) with ESMTP id C0A8D900002 for ; Sun, 17 May 2020 21:21:44 -0400 (EDT) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 878564821 for ; Mon, 18 May 2020 01:21:44 +0000 (UTC) X-FDA: 76828087728.11.grade29_839604d562527 X-HE-Tag: grade29_839604d562527 X-Filterd-Recvd-Size: 3920 Received: from mail-pg1-f196.google.com (mail-pg1-f196.google.com [209.85.215.196]) by imf24.hostedemail.com (Postfix) with ESMTP for ; Mon, 18 May 2020 01:21:44 +0000 (UTC) Received: by mail-pg1-f196.google.com with SMTP id f4so4062302pgi.10 for ; Sun, 17 May 2020 18:21:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=0sx8M+kAOaC1XfEd2srVxr37pMoaqzTLihZ3PqNhqQM=; b=aPVmiXy9N/XcoqFsJHLAt2SwQL/pBirwX94V5a2nMS1b3ZJqxUPKB9docoAInlS/rw 3xcHPVgfYLaaUkIgHN2BIE3cV4dbH6NGqjPxpSk6q8lIij9kN8tepoOnXXGP77SPjq0W L+v9NXDm80eeU7WDkvQF00GKY5SuclyY7w0xlOzVQRawNY0oTgtBLxdkaZLc5ilsxlMc 8VgS6RAEpWx1o1fWZ5UYo6jCH6vLtma4zirE8vRS0grexENaT7Alf6XZSGlAl4lE2ngM eJ9qpK0+AZw+PF0htXl5cz8WtuvqD6/mYiuoyaDyaRvj6WW++k0/PGysm/upgXcZVxgx pYGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=0sx8M+kAOaC1XfEd2srVxr37pMoaqzTLihZ3PqNhqQM=; b=a5JlQ9BuIwejJ3cABWU8J/DhH9Ce0L7ypUATQ18YbG5el/Wwyx5K8ROFPBnYRIKRfl AMLD8EzQWu7/GrFjQBE64KGyHH/JMQhPsXoTAUx/tqkNKL90JF9EWfro5vpsfE0LPqMu HLrxqfJttpkSEQLgzDgXrQZ03/45rR6PTcYJklEIzCFieOHOUtkI+pK5bnv2LiJNFy0Q Vga+WHNRz9dXiejx4XBBma70u3mwNslGLTE0qTBFmbGcx+C8DBggmUPI5P5IZpDShQqy M6WuAeN1cShmd03Xr9Isx0oYaRIC/lpxaXBnkd3+uoCDwznuryf2xTkAQ7gwye+yh2p4 hHzQ== X-Gm-Message-State: AOAM531eQt8FIKrDoABAuJQ4binSYBnXzDmVxwxEHDH4NzCHtpMmZA3U 5xZfyITfmuglxkBk62rJIG8= X-Google-Smtp-Source: ABdhPJzXznuKGiK7xC4AyF4N3k3zf1+Wz9osR7hGqd/f+etgdFkqkuu06dwSJEiO4y+xYVkvOB44FA== X-Received: by 2002:a63:4926:: with SMTP id w38mr13342473pga.222.1589764903304; Sun, 17 May 2020 18:21:43 -0700 (PDT) Received: from localhost.localdomain ([114.206.198.176]) by smtp.gmail.com with ESMTPSA id fw4sm1544376pjb.31.2020.05.17.18.21.40 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 17 May 2020 18:21:42 -0700 (PDT) From: js1304@gmail.com X-Google-Original-From: iamjoonsoo.kim@lge.com To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@lge.com, Vlastimil Babka , Christoph Hellwig , Roman Gushchin , Mike Kravetz , Naoya Horiguchi , Michal Hocko , Joonsoo Kim Subject: [PATCH 01/11] mm/page_isolation: prefer the node of the source page Date: Mon, 18 May 2020 10:20:47 +0900 Message-Id: <1589764857-6800-2-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1589764857-6800-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1589764857-6800-1-git-send-email-iamjoonsoo.kim@lge.com> 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: From: Joonsoo Kim For locality, it's better to migrate the page to the same node rather than the node of the current caller's cpu. Signed-off-by: Joonsoo Kim --- mm/page_isolation.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/page_isolation.c b/mm/page_isolation.c index 2c11a38..7df89bd 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -300,5 +300,7 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, struct page *alloc_migrate_target(struct page *page, unsigned long private) { - return new_page_nodemask(page, numa_node_id(), &node_states[N_MEMORY]); + int nid = page_to_nid(page); + + return new_page_nodemask(page, nid, &node_states[N_MEMORY]); } -- 2.7.4