From mboxrd@z Thu Jan 1 00:00:00 1970 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=-15.8 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=unavailable 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 19741C433E0 for ; Fri, 26 Feb 2021 01:25:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6F6CE64DFF for ; Fri, 26 Feb 2021 01:25:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F6CE64DFF 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 E9A978D000A; Thu, 25 Feb 2021 20:25:18 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E23C46B011A; Thu, 25 Feb 2021 20:25:18 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D11928D000A; Thu, 25 Feb 2021 20:25:18 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0248.hostedemail.com [216.40.44.248]) by kanga.kvack.org (Postfix) with ESMTP id B80726B0119 for ; Thu, 25 Feb 2021 20:25:18 -0500 (EST) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 82EDE182CA131 for ; Fri, 26 Feb 2021 01:25:18 +0000 (UTC) X-FDA: 77858675916.20.560C09B Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf01.hostedemail.com (Postfix) with ESMTP id 6DD572000382 for ; Fri, 26 Feb 2021 01:25:17 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 6FD6F64F24; Fri, 26 Feb 2021 01:18:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1614302280; bh=CW0Y0Y1Ak43kKBuaaxro7IBEj4r8oOE1CH4qs5kHqFs=; h=Date:From:To:Subject:In-Reply-To:From; b=x35jhEn3oUgv1wDs1ven85cK6rpP56f1/ukx1UuQhJTNMZXfkEH9N3lTG1J37aidT HWiMelLQiELWjDWLh8PVfa30ksPDHl4dBnXtBG+1GnhdO7kp/gOBtLvoog28Cr3Phv APGiFmjWpPgK5XgaZBefPv4figTytfUmDdnRoqMg= Date: Thu, 25 Feb 2021 17:17:59 -0800 From: Andrew Morton To: akpm@linux-foundation.org, linmiaohe@huawei.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 042/118] mm/rmap: fix obsolete comment in __page_check_anon_rmap() Message-ID: <20210226011759.fJf9U1f9p%akpm@linux-foundation.org> In-Reply-To: <20210225171452.713967e96554bb6a53e44a19@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 6DD572000382 X-Stat-Signature: uh4x6f6bb1mzj1z616nrz17zt1r3c7ar Received-SPF: none (linux-foundation.org>: No applicable sender policy available) receiver=imf01; identity=mailfrom; envelope-from=""; helo=mail.kernel.org; client-ip=198.145.29.99 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614302717-406328 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: Miaohe Lin Subject: mm/rmap: fix obsolete comment in __page_check_anon_rmap() Commit 21333b2b66b8 ("ksm: no debug in page_dup_rmap()") has reverted page_dup_rmap() to an inline atomic_inc of mapcount. So page_dup_rmap() does not call __page_check_anon_rmap() anymore. Link: https://lkml.kernel.org/r/20210128110209.50857-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Signed-off-by: Andrew Morton --- mm/rmap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/rmap.c~mm-rmap-fix-obsolete-comment-in-__page_check_anon_rmap +++ a/mm/rmap.c @@ -1086,8 +1086,7 @@ static void __page_check_anon_rmap(struc * be set up correctly at this point. * * We have exclusion against page_add_anon_rmap because the caller - * always holds the page locked, except if called from page_dup_rmap, - * in which case the page is already known to be setup. + * always holds the page locked. * * We have exclusion against page_add_new_anon_rmap because those pages * are initially only visible via the pagetables, and the pte is locked _