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 BB648C433E1 for ; Wed, 17 Jun 2020 05:27:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97A1020853 for ; Wed, 17 Jun 2020 05:27:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EnsDu/n7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726936AbgFQF1F (ORCPT ); Wed, 17 Jun 2020 01:27:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726879AbgFQF1A (ORCPT ); Wed, 17 Jun 2020 01:27:00 -0400 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28366C061573 for ; Tue, 16 Jun 2020 22:27:00 -0700 (PDT) Received: by mail-pj1-x1043.google.com with SMTP id k2so452588pjs.2 for ; Tue, 16 Jun 2020 22:27:00 -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=1xjkUNXRrltW0v367905hcdOUoCgRbDmUvJ+4nENETw=; b=EnsDu/n7ObTOMuNzMgWv+/zLljv5adhFJhPwWDW0B+zK20kJONNEtDVAGtRUm+eNdN yFiJ7UJqUa51Gynnn8GlKK14oTD4h7g0VEOiEsXn2rVeLyUdbvJbCjaJHCsiRKFsTlXz 1FWIAGZYRNj/Z7jwW8YM6sqyPkrV5ca3trdH2iAJbi7J0wvX5sMLVP0N9BoXjbqWLLpu jJ9VIOgjoL562ZRdzLEL2bRA8dhfzZqrvecZYMLi/1ifbxpmalhtwJHo9Gjp/MeZN23v b5lHMeEy9GcGCNTfkeF4AyFDOqmn70EIg3NorqBg2xZCPU8uUZXxqjcC4kDK6WzqoMMg 6rzQ== 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=1xjkUNXRrltW0v367905hcdOUoCgRbDmUvJ+4nENETw=; b=SDOVrGHOLFd6d+TTSvMwf3PTaHIzgIq/4inEFRQLNypDJFbFMJ3ykhAM2B7iUoL+Bk RanYs7pL4z1JVcBhC0StsYaUBOX7co5zEcYWztsbjSOknaipzmeXEaViQQiCSjhuJm9c WXqtmiw+hqApj+P9paoyzfaPYkRbaOY4tzgqzagRP7FWDx+ZXCA8FyBkk2Kl7lzEMi/I m7jCmy8KgNlwGYYj4rwZEU55ALz/uYP4sD+mwDY8x06+LIMx91ioep8mqQgAW/JomWCF xbXWSpkY+X8YMB7dhlV2u2/hoQXu35ViHShZHiRSud8yBLoSzcN/4OL5C20z9kpnIZoh vCjw== X-Gm-Message-State: AOAM533krJZ4mh3CjLii4X0LCVYSn0JT2Z2QywWGhMckhDGyfd2J6RXX VL3aZAADJEGJnVokYv/zb90= X-Google-Smtp-Source: ABdhPJyXLZtdfd5w3dIrNxpAD+EcH91c6nLcyKwApnjCfWiCWHpzt+5xo/Beb011cKcVfXvfO09q3g== X-Received: by 2002:a17:902:6947:: with SMTP id k7mr5232713plt.258.1592371619698; Tue, 16 Jun 2020 22:26:59 -0700 (PDT) Received: from localhost.localdomain ([114.206.198.176]) by smtp.gmail.com with ESMTPSA id d184sm8830068pfd.85.2020.06.16.22.26.56 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Jun 2020 22:26:58 -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, Johannes Weiner , Michal Hocko , Hugh Dickins , Minchan Kim , Vlastimil Babka , Mel Gorman , kernel-team@lge.com, Joonsoo Kim Subject: [PATCH v6 6/6] mm/vmscan: restore active/inactive ratio for anonymous LRU Date: Wed, 17 Jun 2020 14:26:23 +0900 Message-Id: <1592371583-30672-7-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1592371583-30672-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1592371583-30672-1-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 Now, workingset detection is implemented for anonymous LRU. We don't have to worry about the misfound for workingset due to the ratio of active/inactive. Let's restore the ratio. Acked-by: Johannes Weiner Signed-off-by: Joonsoo Kim --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index eb02d18..ec77691 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2211,7 +2211,7 @@ static bool inactive_is_low(struct lruvec *lruvec, enum lru_list inactive_lru) active = lruvec_page_state(lruvec, NR_LRU_BASE + active_lru); gb = (inactive + active) >> (30 - PAGE_SHIFT); - if (gb && is_file_lru(inactive_lru)) + if (gb) inactive_ratio = int_sqrt(10 * gb); else inactive_ratio = 1; -- 2.7.4