From patchwork Tue Aug 23 07:52:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: CGEL X-Patchwork-Id: 12951839 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F83EC32774 for ; Tue, 23 Aug 2022 07:52:48 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D27018D0001; Tue, 23 Aug 2022 03:52:47 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CAF606B0074; Tue, 23 Aug 2022 03:52:47 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B4FBD8D0001; Tue, 23 Aug 2022 03:52:47 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id A05816B0073 for ; Tue, 23 Aug 2022 03:52:47 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 77DEB1214B5 for ; Tue, 23 Aug 2022 07:52:47 +0000 (UTC) X-FDA: 79830090774.14.CBFFAE7 Received: from mail-pg1-f172.google.com (mail-pg1-f172.google.com [209.85.215.172]) by imf03.hostedemail.com (Postfix) with ESMTP id 380B320021 for ; Tue, 23 Aug 2022 07:52:47 +0000 (UTC) Received: by mail-pg1-f172.google.com with SMTP id 73so11571536pgb.9 for ; Tue, 23 Aug 2022 00:52:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc; bh=MgN+KREEFxa4xm6tdK3/YoM4YbnrbMSDZ+9EuL3RHVM=; b=dEqbckJOMJZcX6/v3PLFyyPYN2v2QaTFyFRXKUoMvhiNvJRYqWL/OUvflzM+bwV7ZW aU8/3/w2QO70sc2k+D89CQScTDJ8TcqH0xrxT6bGN/zI6TloQZsOWPwIgPA2MsXWg4q2 ELZOXOlB+5fE8kBSgbF1+c6ocYcf18YzVj0pjG/y2Xbyw5nUHfET9TQysbdYFnrqbDBB dlX05q1p9zkwTQlcw9PLEhTV3qlhDowyM7ZdlKHLzSOVDADUpzmyQjOQ3+FkcMdYL//x bh/mdZfSIISUTADk6wwlImvTZVQF/zU+5Wow5c0zklytq/mUKHRtauza2wPk/ps2mBmm rixA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc; bh=MgN+KREEFxa4xm6tdK3/YoM4YbnrbMSDZ+9EuL3RHVM=; b=fzPyEblcv8vGpRQLkSDxL45FcTf8Xqq0TUmhZAo7dEPkZ7ifHB7PysO5HhFXKcRGra ciLtH42EkIaIF0fNoYeAQ5RweKxM08wJCfSVpO5wxD8fpJ3LmmAno3wltdoXCsd3AUrZ cxMeBfs+nwwS/IUVYG4cCEl5PWAOf5JKiAbPBRR7Kv2yrkcMlYYX3lMHKlbPoNfXczx9 eWqsNeHK4pXlZLmVAZTHm9/Y38L3KhAEFGvgE6+pN+Gwb2BLBHsdY0TRtY1FzTRyqYwk 0NTa0/RK3Cakm6W+dSuzp4Xxdn1jp2/4/XNV1cJmiwZtAF+nEod8ZklWAYjQBVgEjurD kmvA== X-Gm-Message-State: ACgBeo0GVV0lf2bKPpFwS+c7+evtpGg/FHAnRoEsYtCdxcQGXeS0GfMt 5pVaFmK/JaRogmkYcwDAeCs= X-Google-Smtp-Source: AA6agR6tK9o+kL139TUNt9pXwhRG3QQMgJm5L6Ql0waoJDaieYwaBti0inwQ3JasWVBnO6YijcZErQ== X-Received: by 2002:a05:6a00:2185:b0:520:7276:6570 with SMTP id h5-20020a056a00218500b0052072766570mr24305446pfi.84.1661241166130; Tue, 23 Aug 2022 00:52:46 -0700 (PDT) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id bn20-20020a056a02031400b00419ab8f8d2csm8604216pgb.20.2022.08.23.00.52.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Aug 2022 00:52:45 -0700 (PDT) From: cgel.zte@gmail.com X-Google-Original-From: ye.xingchen@zte.com.cn To: 42.hyeyoo@gmail.com Cc: cl@linux.com, rientjes@google.com, iamjoonsoo.kim@lge.com, vbabka@suse.cz, roman.gushchin@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ye xingchen , Zeal Robot Subject: [PATCH linux-next] mm/slab_common: Remove the unneeded result variable Date: Tue, 23 Aug 2022 07:52:41 +0000 Message-Id: <20220823075241.209009-1-ye.xingchen@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1661241167; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references:dkim-signature; bh=MgN+KREEFxa4xm6tdK3/YoM4YbnrbMSDZ+9EuL3RHVM=; b=lEz51xzXAtHP8PxzebFUhX+Ux9Yyk5U3lMizbHJ1ghy3/i8gOVzV9mO50sYZ/WaDYHWNXt hWLHV5qHTKzgpnr26flDgBIC+alsnds/8nYqk3cWJ656jHoknBDz6Sl9myK3OD5BkLL12n xfT/jsJt/lawBmcW8giKAL9t8chwhBs= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=dEqbckJO; spf=pass (imf03.hostedemail.com: domain of cgel.zte@gmail.com designates 209.85.215.172 as permitted sender) smtp.mailfrom=cgel.zte@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1661241167; a=rsa-sha256; cv=none; b=AJVK0+emIA7R1Rc8NNIgjmqFcwdtTDiJxK/RjlWmJKw7mLmq3C+28VXzJo0+Wj35Mdsapg dFRxRUr/lShyCrE+04UyIptDA/CHKD/80dSxLUSnV7M9M1ycH+D+jfAfGWJsf9ZbZ/qmoZ HfpV2Q0uQsN91hfnchsLpzZuzXb9E+M= X-Stat-Signature: 5q1xcy5x49f5qh7ce4zs1kd8phojkjgp Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=dEqbckJO; spf=pass (imf03.hostedemail.com: domain of cgel.zte@gmail.com designates 209.85.215.172 as permitted sender) smtp.mailfrom=cgel.zte@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 380B320021 X-Rspam-User: X-HE-Tag: 1661241167-917295 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: ye xingchen Return the value from __kmem_cache_shrink() directly instead of storing it in another redundant variable. Reported-by: Zeal Robot Signed-off-by: ye xingchen Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> --- mm/slab_common.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/mm/slab_common.c b/mm/slab_common.c index 17996649cfe3..0dfa3cfb6be5 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -495,13 +495,9 @@ EXPORT_SYMBOL(kmem_cache_destroy); */ int kmem_cache_shrink(struct kmem_cache *cachep) { - int ret; - - kasan_cache_shrink(cachep); - ret = __kmem_cache_shrink(cachep); - return ret; + return __kmem_cache_shrink(cachep); } EXPORT_SYMBOL(kmem_cache_shrink);