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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 30FCAC433E0 for ; Wed, 3 Feb 2021 09:33:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D531764F61 for ; Wed, 3 Feb 2021 09:33:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233501AbhBCJdT (ORCPT ); Wed, 3 Feb 2021 04:33:19 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:12014 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232944AbhBCJdR (ORCPT ); Wed, 3 Feb 2021 04:33:17 -0500 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DVxJN3MGLzjJXb; Wed, 3 Feb 2021 17:31:16 +0800 (CST) Received: from huawei.com (10.175.124.27) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.498.0; Wed, 3 Feb 2021 17:32:25 +0800 From: Miaohe Lin To: CC: , , Subject: [PATCH] mm/rmap: Correct obsolete comment of page_get_anon_vma() Date: Wed, 3 Feb 2021 04:32:15 -0500 Message-ID: <20210203093215.31990-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since commit 746b18d421da ("mm: use refcounts for page_lock_anon_vma()"), page_lock_anon_vma() is renamed to page_get_anon_vma() and converted to return a refcount increased anon_vma. But it forgot to change the relevant comment. Signed-off-by: Miaohe Lin --- mm/rmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/rmap.c b/mm/rmap.c index b49e85605f8f..b0fc27e77d6d 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -462,8 +462,8 @@ void __init anon_vma_init(void) * Getting a lock on a stable anon_vma from a page off the LRU is tricky! * * Since there is no serialization what so ever against page_remove_rmap() - * the best this function can do is return a locked anon_vma that might - * have been relevant to this page. + * the best this function can do is return a refcount increased anon_vma + * that might have been relevant to this page. * * The page might have been remapped to a different anon_vma or the anon_vma * returned may already be freed (and even reused). -- 2.19.1