From patchwork Thu Jan 28 07:03:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 12052051 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 F2B73C433E0 for ; Thu, 28 Jan 2021 07:04:16 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 914C764D9D for ; Thu, 28 Jan 2021 07:04:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 914C764D9D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 369096B006C; Thu, 28 Jan 2021 02:04:15 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 2EE7C6B0070; Thu, 28 Jan 2021 02:04:15 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1B5E56B0071; Thu, 28 Jan 2021 02:04:15 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0100.hostedemail.com [216.40.44.100]) by kanga.kvack.org (Postfix) with ESMTP id 015886B006C for ; Thu, 28 Jan 2021 02:04:14 -0500 (EST) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id C40581EF3 for ; Thu, 28 Jan 2021 07:04:14 +0000 (UTC) X-FDA: 77754294828.27.elbow04_4017cdd2759d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin27.hostedemail.com (Postfix) with ESMTP id AA2BC3D663 for ; Thu, 28 Jan 2021 07:04:14 +0000 (UTC) X-HE-Tag: elbow04_4017cdd2759d X-Filterd-Recvd-Size: 2347 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf09.hostedemail.com (Postfix) with ESMTP for ; Thu, 28 Jan 2021 07:04:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=L1GVgJTGJz2vYfvVJItC7NjEGvu6/5cWeE52+Ma6Voo=; b=r/jF8prmHsSip06R58R9sPeY96 ERqFUNTj6IUuU0ZPqqmKkyJyYWuHeObqmzlUv/ERzmSbX2Wpcggp4IceRC65H4y7VLHpmEtlp0YcQ Nl+4jonJ76J3Kmy8/9stxV0i8dlXd/e5LIW9ufSmPSw08FJv1mzIyRqGiCrUFHt9FK4sTzBVcs7M3 6cc62PUrQHW+UKDujHzdx/kKkpQ91/IN2mEk7XVnm4SEh391P6WUiYJDxaTFVN0tGxNKni+MfwxlB /5BpJmB3McZVXMBjjbNhn5rA7vf66Zh3UYAWSCz+9lXHanuBIiPkSo0Lb9uForPMJUaKksQk37CV5 mdK027tQ==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1l51Lc-00846A-Hf; Thu, 28 Jan 2021 07:04:08 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org Subject: [PATCH v3 02/25] mm: Add folio_pgdat Date: Thu, 28 Jan 2021 07:03:41 +0000 Message-Id: <20210128070404.1922318-3-willy@infradead.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210128070404.1922318-1-willy@infradead.org> References: <20210128070404.1922318-1-willy@infradead.org> MIME-Version: 1.0 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: This is just a convenience wrapper for callers with folios; pgdat can be reached from tail pages as well as head pages. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Zi Yan --- include/linux/mm.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index f20504017adf..7d787229dd40 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1503,6 +1503,11 @@ static inline pg_data_t *page_pgdat(const struct page *page) return NODE_DATA(page_to_nid(page)); } +static inline pg_data_t *folio_pgdat(const struct folio *folio) +{ + return page_pgdat(&folio->page); +} + #ifdef SECTION_IN_PAGE_FLAGS static inline void set_page_section(struct page *page, unsigned long section) {