From patchwork Wed Feb 24 20:09:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 12102737 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 CE50DC433DB for ; Wed, 24 Feb 2021 20:09:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 62DBC64F19 for ; Wed, 24 Feb 2021 20:09:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 62DBC64F19 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 EE7DD8D0059; Wed, 24 Feb 2021 15:09:53 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id EBC698D001E; Wed, 24 Feb 2021 15:09:53 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DD26E8D0059; Wed, 24 Feb 2021 15:09:53 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0184.hostedemail.com [216.40.44.184]) by kanga.kvack.org (Postfix) with ESMTP id C32C78D001E for ; Wed, 24 Feb 2021 15:09:53 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 8C03F18028209 for ; Wed, 24 Feb 2021 20:09:53 +0000 (UTC) X-FDA: 77854252266.30.4BE6B8A Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf29.hostedemail.com (Postfix) with ESMTP id 0C5FEDC for ; Wed, 24 Feb 2021 20:09:52 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 2C2A964EC4; Wed, 24 Feb 2021 20:09:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1614197392; bh=eeixNsFXgZKGs1v3XLlSzeyRAoDd0cdPojtTzEEi/bY=; h=Date:From:To:Subject:In-Reply-To:From; b=snZ7Y5mJ4fcFA5ZWB0FCTHJ/SAjVZXTILJW9SAfnVRGtGckkrsfgim1BYhiLLd/9J OaNPUq4WORm7hjyVwP4nlDtVMaPS7dpdAijRrP526LoxpXqcYGedtuOjaoUMk7VTx/ vZ84gYLa/7b29yYXoE+BJR9ra8xeI4owsg8FeWeQ= Date: Wed, 24 Feb 2021 12:09:50 -0800 From: Andrew Morton To: akpm@linux-foundation.org, linux-mm@kvack.org, mhocko@suse.com, mm-commits@vger.kernel.org, rientjes@google.com, tangyizhou@huawei.com, torvalds@linux-foundation.org Subject: [patch 162/173] mm, oom: fix a comment in dump_task() Message-ID: <20210224200950.wUwH8Cuz5%akpm@linux-foundation.org> In-Reply-To: <20210224115824.1e289a6895087f10c41dd8d6@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Stat-Signature: b9dug7qpywtkea7f6r3axb3gm1uphxsc X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 0C5FEDC Received-SPF: none (linux-foundation.org>: No applicable sender policy available) receiver=imf29; identity=mailfrom; envelope-from=""; helo=mail.kernel.org; client-ip=198.145.29.99 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614197392-645911 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: Tang Yizhou Subject: mm, oom: fix a comment in dump_task() If p is a kthread, it will be checked in oom_unkillable_task() so we can delete the corresponding comment. Link: https://lkml.kernel.org/r/20210125133006.7242-1-tangyizhou@huawei.com Signed-off-by: Tang Yizhou Acked-by: David Rientjes Acked-by: Michal Hocko Signed-off-by: Andrew Morton --- mm/oom_kill.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/mm/oom_kill.c~mm-oom-fix-a-comment-in-dump_task +++ a/mm/oom_kill.c @@ -395,9 +395,8 @@ static int dump_task(struct task_struct task = find_lock_task_mm(p); if (!task) { /* - * This is a kthread or all of p's threads have already - * detached their mm's. There's no need to report - * them; they can't be oom killed anyway. + * All of p's threads have already detached their mm's. There's + * no need to report them; they can't be oom killed anyway. */ return 0; }