From patchwork Fri Jan 31 06:14:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11359231 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E248D139A for ; Fri, 31 Jan 2020 06:14:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AF9F02467B for ; Fri, 31 Jan 2020 06:14:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="gufVzGgw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AF9F02467B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3E8366B0529; Fri, 31 Jan 2020 01:14:10 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 375036B052B; Fri, 31 Jan 2020 01:14:10 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 17A216B052C; Fri, 31 Jan 2020 01:14:10 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0085.hostedemail.com [216.40.44.85]) by kanga.kvack.org (Postfix) with ESMTP id E6B6F6B0529 for ; Fri, 31 Jan 2020 01:14:09 -0500 (EST) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id A9218824999B for ; Fri, 31 Jan 2020 06:14:09 +0000 (UTC) X-FDA: 76436914218.23.hose89_24495d7cf8f59 X-Spam-Summary: 2,0,0,abfdd2375c606316,d41d8cd98f00b204,akpm@linux-foundation.org,:akpm@linux-foundation.org:david@redhat.com::liu.song11@zte.com.cn:mm-commits@vger.kernel.org:torvalds@linux-foundation.org,RULES_HIT:41:355:379:800:960:967:968:973:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1541:1711:1730:1747:1777:1792:2393:2525:2559:2563:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3150:3352:3865:3866:3871:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:5007:6261:6653:7576:8599:9025:9545:9592:10004:10913:11026:11658:11914:12043:12048:12296:12297:12517:12519:12555:12679:12783:12986:13069:13161:13229:13311:13357:13846:14181:14384:14721:14849:21080:21451:21627:21939:21990:30054,0,RBL:error,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:28,LUA_SUMMARY:none X-HE-Tag: hose89_24495d7cf8f59 X-Filterd-Recvd-Size: 2470 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf15.hostedemail.com (Postfix) with ESMTP for ; Fri, 31 Jan 2020 06:14:09 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 68CF42253D; Fri, 31 Jan 2020 06:14:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580451248; bh=7rQFpRtjN0vXozYs2diqX6PxoGZ6tEDdX/F+gHfH8Nc=; h=Date:From:To:Subject:In-Reply-To:From; b=gufVzGgwOeVafMORiUnVeKg7Z92VhrxYzKJiG2emkQPbWyw21wRMX1d/2kN+t/Wds yGJdFT11NnYZAIF0MsS4Iv+7filoguhUfKlCoGj6XyJPollfRtUQ4/TdvX+zX+6NOI fT11+e9WggLuy8rg39bMFOKWlT+DxuSwQSjfLXXg= Date: Thu, 30 Jan 2020 22:14:08 -0800 From: Andrew Morton To: akpm@linux-foundation.org, david@redhat.com, linux-mm@kvack.org, liu.song11@zte.com.cn, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 055/118] mm/vmscan.c: remove unused return value of shrink_node Message-ID: <20200131061408.EKjcvXSEW%akpm@linux-foundation.org> In-Reply-To: <20200130221021.5f0211c56346d5485af07923@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Liu Song Subject: mm/vmscan.c: remove unused return value of shrink_node The return value of shrink_node is not used, so remove unnecessary operations. Link: http://lkml.kernel.org/r/20191128143524.3223-1-fishland@aliyun.com Signed-off-by: Liu Song Reviewed-by: David Hildenbrand Signed-off-by: Andrew Morton --- mm/vmscan.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/mm/vmscan.c~mm-vmscanc-remove-unused-return-value-of-shrink_node +++ a/mm/vmscan.c @@ -2695,7 +2695,7 @@ static void shrink_node_memcgs(pg_data_t } while ((memcg = mem_cgroup_iter(target_memcg, memcg, NULL))); } -static bool shrink_node(pg_data_t *pgdat, struct scan_control *sc) +static void shrink_node(pg_data_t *pgdat, struct scan_control *sc) { struct reclaim_state *reclaim_state = current->reclaim_state; unsigned long nr_reclaimed, nr_scanned; @@ -2874,8 +2874,6 @@ again: */ if (reclaimable) pgdat->kswapd_failures = 0; - - return reclaimable; } /*