From patchwork Tue Jun 22 11:40:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 12336927 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 E68F4C2B9F4 for ; Tue, 22 Jun 2021 11:45:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8442B61374 for ; Tue, 22 Jun 2021 11:45:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8442B61374 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 03CC26B0062; Tue, 22 Jun 2021 07:45:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 013096B006C; Tue, 22 Jun 2021 07:45:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E1E5D6B0070; Tue, 22 Jun 2021 07:45:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0026.hostedemail.com [216.40.44.26]) by kanga.kvack.org (Postfix) with ESMTP id AD2776B0062 for ; Tue, 22 Jun 2021 07:45:08 -0400 (EDT) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 44B3B8249980 for ; Tue, 22 Jun 2021 11:45:08 +0000 (UTC) X-FDA: 78281178696.01.1E1DDE5 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf03.hostedemail.com (Postfix) with ESMTP id 89911C0201C1 for ; Tue, 22 Jun 2021 11:45:07 +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=Sm5Y2QQBmAhSlqdlP5gekvnImoCXq6bBhqaH6wyTY0s=; b=Qt9fqnXP7OWxh/g9kFGNJ4dEh7 n4M6j2KGovSsLamPAVADRf0X0/VVkW4XUR6xgR893e2XT4BbttpAIbDtyBifL+V65ltKrRyosA24o EdL05f0kPTB/eLQ9/nECa3ClMJ/9ikVGkTao780S9it4eTcIa/pWMSj8U5p+FV3mDrLP+1h7G/hYJ i9vg5RF+5NdSGPkCvYDvt8RJ3AMX0oedYfGd+FNQlM0r8BIqmMdltMROXzYCHt1MJ/8TIAqWtRUWO 12xRCCe99fJM1lc6li4/MFv18giqRXAbRiRJK6XX/OykaOnQaopifRU35xFWOVzu1Lzz8omcHuVGa YiliJEyg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1lveoB-00EDZM-5e; Tue, 22 Jun 2021 11:43:24 +0000 From: "Matthew Wilcox (Oracle)" To: akpm@linux-foundation.org Cc: "Matthew Wilcox (Oracle)" , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Zi Yan , Christoph Hellwig , Jeff Layton , "Kirill A . Shutemov" , Vlastimil Babka , William Kucharski , David Howells Subject: [PATCH v12 03/33] mm: Add folio_pgdat(), folio_zone() and folio_zonenum() Date: Tue, 22 Jun 2021 12:40:48 +0100 Message-Id: <20210622114118.3388190-4-willy@infradead.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210622114118.3388190-1-willy@infradead.org> References: <20210622114118.3388190-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 89911C0201C1 X-Stat-Signature: ace5djxasw8ghhrfcygqnkz8bwncheyj Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=Qt9fqnXP; dmarc=none; spf=none (imf03.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-HE-Tag: 1624362307-125610 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. No change to generated code. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Zi Yan Reviewed-by: Christoph Hellwig Acked-by: Jeff Layton Acked-by: Kirill A. Shutemov Acked-by: Vlastimil Babka Reviewed-by: William Kucharski Reviewed-by: David Howells --- include/linux/mm.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index cba7bc223a9b..f0025bd2c2ad 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1145,6 +1145,11 @@ static inline enum zone_type page_zonenum(const struct page *page) return (page->flags >> ZONES_PGSHIFT) & ZONES_MASK; } +static inline enum zone_type folio_zonenum(const struct folio *folio) +{ + return page_zonenum(&folio->page); +} + #ifdef CONFIG_ZONE_DEVICE static inline bool is_zone_device_page(const struct page *page) { @@ -1560,6 +1565,16 @@ 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) {