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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 C2771C432C0 for ; Sun, 1 Dec 2019 01:51:25 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8771A2073C for ; Sun, 1 Dec 2019 01:51:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="brdrJhuw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8771A2073C 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 389F86B02AA; Sat, 30 Nov 2019 20:51:25 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 33F7A6B02AC; Sat, 30 Nov 2019 20:51:25 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 278726B02AD; Sat, 30 Nov 2019 20:51:25 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0125.hostedemail.com [216.40.44.125]) by kanga.kvack.org (Postfix) with ESMTP id 09BAC6B02AA for ; Sat, 30 Nov 2019 20:51:25 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id C9F5740DD for ; Sun, 1 Dec 2019 01:51:24 +0000 (UTC) X-FDA: 76214895288.17.fruit82_c4cfb581a213 X-HE-Tag: fruit82_c4cfb581a213 X-Filterd-Recvd-Size: 2681 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Sun, 1 Dec 2019 01:51:24 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9CF4620880; Sun, 1 Dec 2019 01:51:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575165083; bh=iWBHcdA+bdpU8QXhtXLYQVnDQR43HVBDwD3MwX7XDnk=; h=Date:From:To:Subject:From; b=brdrJhuwpM9T63q9Y4lnrg76k18jI7by8UT64EAXwCwQtDun72yysBdZJrDCDM9GL 5ngYLb7bOXVWQn4jZhb95Rs7Nm7uAeZmQmlpMb94/4PT6TH37ZPU5F0UxcMKrTG7U2 TuSWPPob3cY/KCA/wSFBgqrC3NOMGTq3ZiLl6YGI= Date: Sat, 30 Nov 2019 17:51:23 -0800 From: akpm@linux-foundation.org To: akpm@linux-foundation.org, linux-mm@kvack.org, miles.chen@mediatek.com, mm-commits@vger.kernel.org, paulmck@kernel.org, torvalds@linux-foundation.org Subject: [patch 042/158] mm/rmap.c: fix outdated comment in page_get_anon_vma() Message-ID: <20191201015123.RcoCgMv9e%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 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: Miles Chen Subject: mm/rmap.c: fix outdated comment in page_get_anon_vma() Replace DESTROY_BY_RCU with SLAB_TYPESAFE_BY_RCU because SLAB_DESTROY_BY_RCU has been renamed to SLAB_TYPESAFE_BY_RCU by commit 5f0d5a3ae7cf ("mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU") Link: http://lkml.kernel.org/r/20191017093554.22562-1-miles.chen@mediatek.com Signed-off-by: Miles Chen Cc: Paul E. McKenney Signed-off-by: Andrew Morton --- mm/rmap.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/mm/rmap.c~mm-fix-outdated-comment-in-page_get_anon_vma +++ a/mm/rmap.c @@ -477,9 +477,10 @@ void __init anon_vma_init(void) * chain and verify that the page in question is indeed mapped in it * [ something equivalent to page_mapped_in_vma() ]. * - * Since anon_vma's slab is DESTROY_BY_RCU and we know from page_remove_rmap() - * that the anon_vma pointer from page->mapping is valid if there is a - * mapcount, we can dereference the anon_vma after observing those. + * Since anon_vma's slab is SLAB_TYPESAFE_BY_RCU and we know from + * page_remove_rmap() that the anon_vma pointer from page->mapping is valid + * if there is a mapcount, we can dereference the anon_vma after observing + * those. */ struct anon_vma *page_get_anon_vma(struct page *page) { _