From patchwork Fri Apr 30 17:22:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthew Wilcox (Oracle)" X-Patchwork-Id: 12233821 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=-16.6 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,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 3EC7DC433B4 for ; Fri, 30 Apr 2021 17:25:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C9EA76145B for ; Fri, 30 Apr 2021 17:25:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9EA76145B 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 4A5106B006C; Fri, 30 Apr 2021 13:25:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 454766B0070; Fri, 30 Apr 2021 13:25:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3437A6B0071; Fri, 30 Apr 2021 13:25:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0152.hostedemail.com [216.40.44.152]) by kanga.kvack.org (Postfix) with ESMTP id 1AED56B006C for ; Fri, 30 Apr 2021 13:25:10 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id D2D88349B for ; Fri, 30 Apr 2021 17:25:09 +0000 (UTC) X-FDA: 78089709138.07.BA578ED Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf08.hostedemail.com (Postfix) with ESMTP id 6264F801A802 for ; Fri, 30 Apr 2021 17:24:46 +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=fTmQo50oOSW96isullJfUZVK+rFw+CfueZc2tV0ZVTs=; b=GzNR3n/uvGse0lFgEkY+V8rb5B tc//SYfhEmkpNpda2tNHpekMYtNupyytENU+il2qHCzR6FgOMjsfbz6KvFtKN84dqKnCLj2CqcMyO +4rekoDcrbRNeE5NlJ/5dFtOenCfylNmm7g84+FdxRTldJfA+JTf70rOZ5irqmWJkwz+B2irwsmc3 Q+jG3m1TL978GoMwI/KrEpF1r2jBj/HJOT4geKvj/L8CpPdg7/TGOfFlYeKh8FJV77SldKklv9HQb 6cQ4+qJPACUe3anYSIXdKc9r4clgB2LxjFtz4oSZnrlvkSZuisTjMupZA1JbHFu5z7BR58tzG5cYK mAuUcVxw==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lcWrj-00BJEI-J6; Fri, 30 Apr 2021 17:24:01 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, akpm@linux-foundation.org Cc: "Matthew Wilcox (Oracle)" , Zi Yan , Christoph Hellwig , Jeff Layton Subject: [PATCH v8 02/27] mm: Add folio_pgdat and folio_zone Date: Fri, 30 Apr 2021 18:22:10 +0100 Message-Id: <20210430172235.2695303-3-willy@infradead.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210430172235.2695303-1-willy@infradead.org> References: <20210430172235.2695303-1-willy@infradead.org> MIME-Version: 1.0 Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b="GzNR3n/u"; dmarc=none; spf=none (imf08.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-Stat-Signature: 39wfw6faruwrfr8i1ctqa4hoeha36539 X-Rspamd-Queue-Id: 6264F801A802 X-Rspamd-Server: rspam05 Received-SPF: none (infradead.org>: No applicable sender policy available) receiver=imf08; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1619803486-796678 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: These are just convenience wrappers for callers with folios; pgdat and zone can be reached from tail pages as well as head pages. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Zi Yan Reviewed-by: Christoph Hellwig Acked-by: Jeff Layton --- include/linux/mm.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index b29c86824e6b..a55c2c0628b6 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1560,6 +1560,16 @@ static inline pg_data_t *page_pgdat(const struct page *page) return NODE_DATA(page_to_nid(page)); } +static inline struct zone *folio_zone(const struct folio *folio) +{ + return page_zone(&folio->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) {