From patchwork Tue Dec 15 03:06:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11973723 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 9C3E8C4361B for ; Tue, 15 Dec 2020 03:06:45 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 46F7E223C8 for ; Tue, 15 Dec 2020 03:06:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 46F7E223C8 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 CE9A86B0096; Mon, 14 Dec 2020 22:06:44 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C72258D0007; Mon, 14 Dec 2020 22:06:44 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B8A0A8D0006; Mon, 14 Dec 2020 22:06:44 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0124.hostedemail.com [216.40.44.124]) by kanga.kvack.org (Postfix) with ESMTP id 9E1D66B0096 for ; Mon, 14 Dec 2020 22:06:44 -0500 (EST) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 6DC09181AEF31 for ; Tue, 15 Dec 2020 03:06:44 +0000 (UTC) X-FDA: 77594029128.21.page91_491840727420 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin21.hostedemail.com (Postfix) with ESMTP id 4F2BD180442CD for ; Tue, 15 Dec 2020 03:06:44 +0000 (UTC) X-HE-Tag: page91_491840727420 X-Filterd-Recvd-Size: 2588 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Tue, 15 Dec 2020 03:06:43 +0000 (UTC) Date: Mon, 14 Dec 2020 19:06:42 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608001603; bh=ozY+Qlr+SL9P7E1/ff7eCmgXxQqpR4J2tXFPaOQrkMc=; h=From:To:Subject:In-Reply-To:From; b=KqbmFn/FEiBO8j0G3Xda3uUsE1JowBQdL7N9Ffd/eD4UvV4k7z9GU3yFB3Nz47GBv BUdqx2njlHZ7KdOO80E220WKyiLY0yl28sGutZoB6y7ulBXAQlGFBpoFe4hxEZO7D3 7rmde1Q8y//ilgsy5emYgZeSW9R5aS2r29sF6jQ0= From: Andrew Morton To: akpm@linux-foundation.org, alex.shi@linux.alibaba.com, guro@fb.com, hannes@cmpxchg.org, linux-mm@kvack.org, mhocko@kernel.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, vdavydov.dev@gmail.com Subject: [patch 061/200] mm/memcg: update page struct member in comments Message-ID: <20201215030642.xBAnKq_Mb%akpm@linux-foundation.org> In-Reply-To: <20201214190237.a17b70ae14f129e2dca3d204@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: Alex Shi Subject: mm/memcg: update page struct member in comments The page->mem_cgroup member is replaced by memcg_data, and add a helper page_memcg() for it. Need to update comments to avoid confusing. Link: https://lkml.kernel.org/r/1491c150-1cc0-6062-08ea-9c891548a3bc@linux.alibaba.com Signed-off-by: Alex Shi Acked-by: Roman Gushchin Cc: Johannes Weiner Cc: Michal Hocko Cc: Vladimir Davydov Signed-off-by: Andrew Morton --- mm/memcontrol.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/memcontrol.c~mm-memcg-update-page-struct-member-in-comments +++ a/mm/memcontrol.c @@ -1324,7 +1324,7 @@ int mem_cgroup_scan_tasks(struct mem_cgr * @page: the page * @pgdat: pgdat of the page * - * This function relies on page->mem_cgroup being stable - see the + * This function relies on page's memcg being stable - see the * access rules in commit_charge(). */ struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgdat) @@ -2879,7 +2879,7 @@ static void commit_charge(struct page *p { VM_BUG_ON_PAGE(page->mem_cgroup, page); /* - * Any of the following ensures page->mem_cgroup stability: + * Any of the following ensures page's memcg stability: * * - the page lock * - LRU isolation