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=-9.8 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 5BF98C43331 for ; Sun, 29 Mar 2020 02:44:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D377206E6 for ; Sun, 29 Mar 2020 02:44:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Wp+IfQa1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726912AbgC2Cmf (ORCPT ); Sat, 28 Mar 2020 22:42:35 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:34997 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726382AbgC2Cmf (ORCPT ); Sat, 28 Mar 2020 22:42:35 -0400 Received: by mail-wr1-f67.google.com with SMTP id d5so16821385wrn.2 for ; Sat, 28 Mar 2020 19:42:33 -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; bh=m3v4eUN1Q8sQ8xavWGBmWHQ29/mKNFiqKaIswR2Yr2k=; b=Wp+IfQa1bYEpqrV6Mbx4pfI10yrDhmVCxHQvAGH4iHMos+E6LOCSjJxtPxMZx4WSHK /InfH8Ekfl1xp4NqzOVpRsz9Pi+bf1Uukp1Gwa3ih1PB1g8Kc7sFHuom/blQX/m8Qqf7 dYP012oQADT7bZgf3H5FflM7AWDutupoDDHwIDQe/MQb/GriG2v9S9jXvfiPXJZrNOWD 59GeUJsZQBnRBnF8txlGxAHIWw3mj30JidpLzV3ZBtWUwWVQ8BDFQbiacTUosyzXfVz7 bXZ8iIBvkfDOmkHN5jh5Sz22zkirrUPn075hUdQkTcKB9dVop1LjHkKtY5sIYVpaHIJh ktbw== 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; bh=m3v4eUN1Q8sQ8xavWGBmWHQ29/mKNFiqKaIswR2Yr2k=; b=k01CWtRAkwpEOakfUvB39L9ue0igJHmO7Rlc8iQTGFQ3MOfLlYQjd35Oolk4k6u8tK ZpBurDpMd4QbHzk5HDRT0KI0aSnFbcbm797Ei+6ar1tGS3IIFkRUF0Fk5V10bKAHmo1A md7W118eKHPf6X/1QoGiVD4VQGe9jpuwLdASlQb+hGq0q8Q75nKwI9BROgDQ81AYa/lm 6tapQpaHxIV1HKTKcFpB1xF7WUj4vYV3LtZNDmniOx55iu2LL/hdTx3W0/reINYIOGfn DpDr3BV/pwuNOv2vxXddf5SLcvvkkwh79uR78NJ8UCEanegH+hAE/gmr2ZXvaDYBWBsx 6zng== X-Gm-Message-State: ANhLgQ34w6+1KH3Am69k3s75xPMjimEbTsgu2TAGHiIfP9vfgISQsRrM VtuoLuN38CWDGoThiPPouMw= X-Google-Smtp-Source: ADFU+vvDMaN/xFKcdo5GXeR+Nf9wdCY1mQqmhctgMpGp5GkhHcHVIdNK4pqxB3hqLdMZlMiOcEzXKw== X-Received: by 2002:adf:b1d8:: with SMTP id r24mr7701334wra.266.1585449753286; Sat, 28 Mar 2020 19:42:33 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id t10sm15424374wrx.38.2020.03.28.19.42.32 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 28 Mar 2020 19:42:32 -0700 (PDT) From: Wei Yang To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, jgg@ziepe.ca, david@redhat.com, jhubbard@nvidia.com, bhe@redhat.com, Wei Yang Subject: [Patch v3] mm/page_alloc.c: use NODE_MASK_NONE define used_mask Date: Sun, 29 Mar 2020 02:42:17 +0000 Message-Id: <20200329024217.5199-1-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For all 0 nodemask_t, we have already define macro NODE_MASK_NONE. Leverage this to define an all clear nodemask. Signed-off-by: Wei Yang --- v3: adjust the commit log a little v2: use NODE_MASK_NONE as suggested by David Hildenbrand --- mm/page_alloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ef790dfad6aa..dfcf2682ed40 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5587,14 +5587,13 @@ static void build_zonelists(pg_data_t *pgdat) { static int node_order[MAX_NUMNODES]; int node, load, nr_nodes = 0; - nodemask_t used_mask; + nodemask_t used_mask = NODE_MASK_NONE; int local_node, prev_node; /* NUMA-aware ordering of nodes */ local_node = pgdat->node_id; load = nr_online_nodes; prev_node = local_node; - nodes_clear(used_mask); memset(node_order, 0, sizeof(node_order)); while ((node = find_next_best_node(local_node, &used_mask)) >= 0) { -- 2.23.0