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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 92734C432C0 for ; Thu, 21 Nov 2019 15:21:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5D26E20692 for ; Thu, 21 Nov 2019 15:21:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5D26E20692 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.page Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 13D1B6B033D; Thu, 21 Nov 2019 10:21:17 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0ED7B6B033E; Thu, 21 Nov 2019 10:21:17 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EF7896B033F; Thu, 21 Nov 2019 10:21:16 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0079.hostedemail.com [216.40.44.79]) by kanga.kvack.org (Postfix) with ESMTP id D5F786B033D for ; Thu, 21 Nov 2019 10:21:16 -0500 (EST) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 8659A4403 for ; Thu, 21 Nov 2019 15:21:16 +0000 (UTC) X-FDA: 76180648152.11.frog52_6264411cb8924 X-HE-Tag: frog52_6264411cb8924 X-Filterd-Recvd-Size: 2208 Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) by imf38.hostedemail.com (Postfix) with ESMTP for ; Thu, 21 Nov 2019 15:21:15 +0000 (UTC) X-Originating-IP: 153.3.140.100 Received: from localhost.localdomain.localdomain (unknown [153.3.140.100]) (Authenticated sender: fly@kernel.page) by relay5-d.mail.gandi.net (Postfix) with ESMTPSA id A3E1E1C000F; Thu, 21 Nov 2019 15:21:05 +0000 (UTC) From: Pengfei Li To: akpm@linux-foundation.org Cc: mgorman@techsingularity.net, mhocko@kernel.org, vbabka@suse.cz, cl@linux.com, iamjoonsoo.kim@lge.com, guro@fb.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Pengfei Li Subject: [RFC v1 10/19] mm, page_alloc: use for_each_node in wake_all_kswapds() Date: Thu, 21 Nov 2019 23:18:02 +0800 Message-Id: <20191121151811.49742-11-fly@kernel.page> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191121151811.49742-1-fly@kernel.page> References: <20191121151811.49742-1-fly@kernel.page> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: In wake_all_kswapds(), we want to traverse node instead of zone, so use for_each_node instead of for_each_zone. Signed-off-by: Pengfei Li --- mm/page_alloc.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 2dcf2a21c578..aa5c2ef4f8ec 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4166,15 +4166,12 @@ static void wake_all_kswapds(unsigned int order, = gfp_t gfp_mask, const struct alloc_context *ac) { enum zone_type high_zoneidx =3D ac->high_zoneidx; - pg_data_t *last_pgdat =3D NULL; struct nlist_traverser t; - struct zone *zone; + int node; =20 - for_each_zone_nlist_nodemask(zone, &t, ac->nodelist, high_zoneidx, - ac->nodemask) { - if (last_pgdat !=3D zone->zone_pgdat) - wakeup_kswapd(zone->zone_pgdat, gfp_mask, order, high_zoneidx); - last_pgdat =3D zone->zone_pgdat; + for_each_node_nlist_nodemask(node, &t, ac->nodelist, + high_zoneidx, ac->nodemask) { + wakeup_kswapd(NODE_DATA(node), gfp_mask, order, high_zoneidx); } } =20 --=20 2.23.0