From nobody Mon Apr 6 14:09:00 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64832ECAAD3 for ; Wed, 7 Sep 2022 08:44:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229996AbiIGIn7 (ORCPT ); Wed, 7 Sep 2022 04:43:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229847AbiIGInz (ORCPT ); Wed, 7 Sep 2022 04:43:55 -0400 Received: from out199-14.us.a.mail.aliyun.com (out199-14.us.a.mail.aliyun.com [47.90.199.14]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20464AFAD4 for ; Wed, 7 Sep 2022 01:43:40 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R901e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=xhao@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0VOxRMkY_1662540081; Received: from localhost.localdomain(mailfrom:xhao@linux.alibaba.com fp:SMTPD_---0VOxRMkY_1662540081) by smtp.aliyun-inc.com; Wed, 07 Sep 2022 16:41:23 +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: Simply damon_ctx check in damon_sysfs_before_terminate Date: Wed, 7 Sep 2022 16:41:16 +0800 Message-Id: <20220907084116.62053-1-xhao@linux.alibaba.com> X-Mailer: git-send-email 2.31.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" In damon_sysfs_before_terminate() func, it need to check whether ctx->ops.id supports 'DAMON_OPS_VADDR' or 'DAMON_OPS_FVADDR', there we can use damon_target_has_pid() instead. Signed-off-by: Xin Hao Reviewed-by: SeongJae Park --- mm/damon/sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 7488e27c87c3..88f208ff235d 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2309,7 +2309,7 @@ static void damon_sysfs_before_terminate(struct damon= _ctx *ctx) { struct damon_target *t, *next; =20 - if (ctx->ops.id !=3D DAMON_OPS_VADDR && ctx->ops.id !=3D DAMON_OPS_FVADDR) + if (!damon_target_has_pid(ctx)) return; =20 mutex_lock(&ctx->kdamond_lock); --=20 2.31.0