From patchwork Thu Oct 17 09:35:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miles Chen X-Patchwork-Id: 11195211 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 54AAE1668 for ; Thu, 17 Oct 2019 09:36:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2B08F21848 for ; Thu, 17 Oct 2019 09:36:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B08F21848 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 73C718E0006; Thu, 17 Oct 2019 05:36:02 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 6ECF38E0003; 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Thu, 17 Oct 2019 09:36:00 +0000 (UTC) X-UUID: 15178ac1fc394488bdb40d713119e40e-20191017 X-UUID: 15178ac1fc394488bdb40d713119e40e-20191017 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 424564879; Thu, 17 Oct 2019 17:35:56 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 17 Oct 2019 17:35:55 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 17 Oct 2019 17:35:53 +0800 From: Miles Chen To: Andrew Morton CC: , , , , Miles Chen Subject: [PATCH] mm: fix outdated comment in page_get_anon_vma() Date: Thu, 17 Oct 2019 17:35:54 +0800 Message-ID: <20191017093554.22562-1-miles.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-Bogosity: Ham, tests=bogofilter, spamicity=0.014994, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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") Signed-off-by: Miles Chen --- mm/rmap.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/mm/rmap.c b/mm/rmap.c index d9a23bb773bf..bdb20f2bbe9f 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -457,9 +457,10 @@ 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) {