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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 86852C432C3 for ; Wed, 10 Mar 2021 17:47:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E54F64F5F for ; Wed, 10 Mar 2021 17:47:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233420AbhCJRqh (ORCPT ); Wed, 10 Mar 2021 12:46:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231228AbhCJRqR (ORCPT ); Wed, 10 Mar 2021 12:46:17 -0500 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CD34C061760; Wed, 10 Mar 2021 09:46:17 -0800 (PST) Received: by mail-pl1-x634.google.com with SMTP id e2so3577977pld.9; Wed, 10 Mar 2021 09:46:17 -0800 (PST) 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 :mime-version:content-transfer-encoding; bh=Xfk/5hVVyAFMJCQGuT9bj2CxEXYg++EdZvSN0UtrQ3I=; b=PuEAhbWT7AWcBZuIbjQlpcFqTlG4qBBXxKDlR3RNaDYY+O8Cuc1PJsqDEbN4ODv1qW WgkRvJEqkqUwjyt9mVwA4bjt6ilyzahwH3Rd8zrbkgvnRKJXyV/GZMJTR1/jfvMSEXAx XL+DZezGFRC3uyMWhkvVe0f5vledaguk3UoqU81EXYpTWVl4lzTH7Ab1Hc8tYXCuSQIT 7A0gVhxnpuNNfe1nn2lz0YRZvSAsn2Qy5yoQZUCUflax5lXpCNZ7Np6piNXmsstFi7ZJ 6+o9dHfCGvDbuoUFt3vb/VTRZy3AQiJSHFx6D4Hh0z+JmnKtHChQdb+Q7ocSD7SYtjKp 8PtA== 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:mime-version:content-transfer-encoding; bh=Xfk/5hVVyAFMJCQGuT9bj2CxEXYg++EdZvSN0UtrQ3I=; b=bxvcRcZVELUCU9aLuytmNUv22a6g8wREcl3AMgiR/AwYzl0F5DYvZwPJa4rqNsJuCN GDiua3RC0GPUvnzcpxe45yJg/2E9WORh4jNWPNVLrVb9TPqJ4F8eIa5LfMWqZ2el5nRU UsCorT9UE7tF+7D5TlSfyI9TkSMcJofT1Kx3c+03/aWNxtY6jBtnjNYVQVOh0ZFxMJyp QjjiiNXwFepoRiTyVpKu1Ao6zfaYtB1DoMwlABEftC8Nrz+W2escL/BYzE6/fAB8pNgX OY0X6sn76Uofcaz42opesvkpYxkQo44wZk/wqwnf0bkHkIFiLCoFe9OqlL0ZNoQNDzFY qx1g== X-Gm-Message-State: AOAM5339uKoVcA7GDLxDNmdmg8gI05eQN+jmW7wGwfBK3e7TJ3nti1Gp CfdBcuwUDXJWIlP5WDlM+wk= X-Google-Smtp-Source: ABdhPJwo0iozQkYECa6RLbEYLMRLVPxCBqIC2dkepEvixp18RaJjtZQmoxcIUawP1U67Dep2wKAuoA== X-Received: by 2002:a17:902:e78e:b029:e4:84c1:51ce with SMTP id cp14-20020a170902e78eb02900e484c151cemr3827631plb.25.1615398376908; Wed, 10 Mar 2021 09:46:16 -0800 (PST) Received: from localhost.localdomain (c-73-93-239-127.hsd1.ca.comcast.net. [73.93.239.127]) by smtp.gmail.com with ESMTPSA id d6sm145804pfq.109.2021.03.10.09.46.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Mar 2021 09:46:16 -0800 (PST) From: Yang Shi To: guro@fb.com, ktkhai@virtuozzo.com, vbabka@suse.cz, shakeelb@google.com, david@fromorbit.com, hannes@cmpxchg.org, mhocko@suse.com, akpm@linux-foundation.org Cc: shy828301@gmail.com, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [v9 PATCH 01/13] mm: vmscan: use nid from shrink_control for tracepoint Date: Wed, 10 Mar 2021 09:45:51 -0800 Message-Id: <20210310174603.5093-2-shy828301@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210310174603.5093-1-shy828301@gmail.com> References: <20210310174603.5093-1-shy828301@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The tracepoint's nid should show what node the shrink happens on, the start tracepoint uses nid from shrinkctl, but the nid might be set to 0 before end tracepoint if the shrinker is not NUMA aware, so the tracing log may show the shrink happens on one node but end up on the other node. It seems confusing. And the following patch will remove using nid directly in do_shrink_slab(), this patch also helps cleanup the code. Acked-by: Vlastimil Babka Acked-by: Kirill Tkhai Reviewed-by: Shakeel Butt Acked-by: Roman Gushchin Signed-off-by: Yang Shi --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 562e87cbd7a1..31d116ea59a9 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -536,7 +536,7 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl, else new_nr = atomic_long_read(&shrinker->nr_deferred[nid]); - trace_mm_shrink_slab_end(shrinker, nid, freed, nr, new_nr, total_scan); + trace_mm_shrink_slab_end(shrinker, shrinkctl->nid, freed, nr, new_nr, total_scan); return freed; } -- 2.26.2