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=-10.1 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=unavailable 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 D1C7DC433DF for ; Tue, 23 Jun 2020 06:14:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB43B20780 for ; Tue, 23 Jun 2020 06:14:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="vWo1Ivst" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730827AbgFWGOa (ORCPT ); Tue, 23 Jun 2020 02:14:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730742AbgFWGO3 (ORCPT ); Tue, 23 Jun 2020 02:14:29 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46832C061573 for ; Mon, 22 Jun 2020 23:14:28 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id b7so767005pju.0 for ; Mon, 22 Jun 2020 23:14:28 -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=sJhG/EECQU60fMMJwW7ZSgqGSJ0Sa1bGibgzSWunQu4=; b=vWo1IvstvoWznzT3ERU5FriztuAmiopI/sb+aB05u1jaMs3PN5oYl4yHyzRG6CJCb8 FzJfFKI6Llo0xezihbIfX/06+y6IXBAAdNyF9D59mmFqGZZNQUWtrUocg909mXZVDg4t ZImR5hNQzQwUdZTlvNz3Juk8WhWsThIKMlz8Fygekl3e1lh5Kf2S4PSJSWCHtj31ARRa lxZ+SBxhHUiRstrhg0wcC7E7qmJEFr4ZS9/lwEh+tUus3J5XaGgqB9j1NiOJ4dq6+jNu drx814lJrhLFKLRUwXfEPoQxu6F5oarFFZ4euvZEB2a1wNEQIuKVxy53AoOuZLG+Yu7b BtTw== 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=sJhG/EECQU60fMMJwW7ZSgqGSJ0Sa1bGibgzSWunQu4=; b=iaBXV9GhtOTUtwHKWWJGHmWjw9o4mUMcPI/RIPkw1JEItUeqUXoGF1hDTBeoHV9tIF QGIAdx5iOfPicu63vS1mz5i5uNyUeGno3+6iGhJ4a4eAbPSttlazmaKTdNrZnv30VqQt EEvgmEmSFBeeCrpOEMukRHePiHMbvObHhI2S6Dzx47/X4GNxpI/Zirb7gT7sVU63Hrzu EFYQzL4/AEEZxZSO67W0mjqQN9LXHC/67bu2DKhbjc9ETleSxXF5fji385r0myxCmR43 3ZFpO+KvdPyhR06VaMbJmhOjtKrJZt0xy8Y3J/sP1rRPFOgYpuluBHSGGbJByBl1yA6D OXxg== X-Gm-Message-State: AOAM532KnoZq2mSoKmQYmjSRGd72cLP03NKa6JWcUWCYQfyb6ZNU7wB5 y0TJWKUJnakFeDnaOSkD8l2qpQLkGWs= X-Google-Smtp-Source: ABdhPJylyWj57oSOyabKM1yxMkK1RxlL58E4vg04DIQfNVXGZdk+uFb/jTvDgkSA1CxgA9+zBkNyig== X-Received: by 2002:a17:90a:e50b:: with SMTP id t11mr22522184pjy.109.1592892867815; Mon, 22 Jun 2020 23:14:27 -0700 (PDT) Received: from localhost.localdomain ([114.206.198.176]) by smtp.gmail.com with ESMTPSA id m15sm12801093pgv.45.2020.06.22.23.14.24 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Jun 2020 23:14:27 -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 v3 1/8] mm/page_isolation: prefer the node of the source page Date: Tue, 23 Jun 2020 15:13:41 +0900 Message-Id: <1592892828-1934-2-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1592892828-1934-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1592892828-1934-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. Acked-by: Roman Gushchin Acked-by: Michal Hocko Reviewed-by: Vlastimil Babka 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 f6d07c5..aec26d9 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -309,5 +309,7 @@ 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