Received: by 2002:a05:6358:489b:b0:bb:da1:e618 with SMTP id x27csp2182946rwn; Fri, 16 Sep 2022 06:55:19 -0700 (PDT) X-Google-Smtp-Source: AMsMyM7bPMYqHvIUqCGSg7HQET8fQlxPjRlFxMErKW/D/uslisGklv57/zutfEIFUlNpqGxVd9/t X-Received: by 2002:a05:6402:51c7:b0:452:981:872a with SMTP id r7-20020a05640251c700b004520981872amr4156581edd.388.1663336519119; Fri, 16 Sep 2022 06:55:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1663336519; cv=none; d=google.com; s=arc-20160816; b=v8Vz3pS09vz6M06GHHL8cdy5mRj6njdaJKrhHr0Yxn7J8VByuHmR/mWsNwZi36Dcuc K2tXr7RBTLDsWCi/lzvuF5nAlXTnXAkMeD8f0NWvycJzwNMRh3SYP9dXp8T6XtB1rIBs Xo6f879OBqkLS4+PqlD/T8u/EPjUp3tpBnD6oOwEH1/uHwhcvQmb2raTuwZ767ucVhZX Bds1oUckOsm9zCosuoykI+YvstPKMPUEuCHHkfz2GslW1F6BpShwYpktRbV4nWzbjiQi /uah9iERS8ItK3we78LgJjeDD8Hvd74nCEWBt4VoTkErwrNcXIenqg6xFoHXHLZrKVLf /x0w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=uuWg6snk6z3ed1JQ7xtaGZNl+609mjPDtXu04xfVUkQ=; b=WSfwvsUgDNdokFR0yZoVCRzBL9Gw5/eRreZZHaflSnmt+av9QN1KSLzY2Uu8HBbI1P E9X7gh1fOkwq+RH+fXLw/LzOacLpUdgK2nNciAAFUtIeinxOzpV1IFuEQQ9sKxKh250a 89j2HGLzd0Eh5aEyxKnELjkMutK5eJgs/zeM0sgR4oCtSLxtgLoTJgYAD44IKgrIfQId 7Ixe+KWe91eKeylgAjbMlGbV0J9sDLio+IYHrcGuA+obGlDiQXwUWH6/NZ/bZYS5e1W5 iAgZ5jOK+8naVY5sFPey7f7XnBoMEGnGsvzd6cV8+hLaJ2vjW5KjBqjr9z3q/Xnj/hQe R2Dg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id v20-20020a50d094000000b0045166555fddsi2413819edd.481.2022.09.16.06.54.51; Fri, 16 Sep 2022 06:55:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231453AbiIPNfv (ORCPT + 99 others); Fri, 16 Sep 2022 09:35:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231698AbiIPNfp (ORCPT ); Fri, 16 Sep 2022 09:35:45 -0400 Received: from out30-131.freemail.mail.aliyun.com (out30-131.freemail.mail.aliyun.com [115.124.30.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 53AFC5A175 for ; Fri, 16 Sep 2022 06:35:44 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046059;MF=xhao@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0VPxa0sf_1663335339; Received: from localhost.localdomain(mailfrom:xhao@linux.alibaba.com fp:SMTPD_---0VPxa0sf_1663335339) by smtp.aliyun-inc.com; Fri, 16 Sep 2022 21:35:40 +0800 From: Xin Hao To: sj@kernel.org Cc: akpm@linux-foundation.org, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, xhao@linux.alibaba.com Subject: [PATCH] mm/damon/sysfs: more simplified code calls damon_target_has_pid() Date: Fri, 16 Sep 2022 21:35:35 +0800 Message-Id: <20220916133535.7428-1-xhao@linux.alibaba.com> X-Mailer: git-send-email 2.31.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-9.9 required=5.0 tests=BAYES_00, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch further simplifies the damon_target_has_pid() call and makes the damon_sysfs_destroy_targets() look cleaner. Fixes: 49fb890735ab (mm/damon/sysfs: avoid call damon_target_has_pid() repeatedly) Signed-off-by: Xin Hao Suggested-by: SeongJae Park Reviewed-by: SeongJae Park --- mm/damon/sysfs.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index dc8dd56d6589..7692c706bcc5 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2132,10 +2132,7 @@ static int damon_sysfs_set_attrs(struct damon_ctx *ctx, static void damon_sysfs_destroy_targets(struct damon_ctx *ctx) { struct damon_target *t, *next; - bool has_pid = false; - - if (damon_target_has_pid(ctx)) - has_pid = true; + bool has_pid = damon_target_has_pid(ctx); damon_for_each_target_safe(t, next, ctx) { if (has_pid) -- 2.31.0