From patchwork Mon Jun 14 20:14:05 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: 12319787 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,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 0EFC7C2B9F4 for ; Mon, 14 Jun 2021 20:17:55 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BB2F261246 for ; Mon, 14 Jun 2021 20:17:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BB2F261246 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 5BDAE6B006C; Mon, 14 Jun 2021 16:17:54 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 594436B006E; Mon, 14 Jun 2021 16:17:54 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 436136B0070; Mon, 14 Jun 2021 16:17:54 -0400 (EDT) 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 0F03A6B006C for ; Mon, 14 Jun 2021 16:17:54 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9F8488249980 for ; Mon, 14 Jun 2021 20:17:53 +0000 (UTC) X-FDA: 78253440426.20.92B03BC Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf25.hostedemail.com (Postfix) with ESMTP id 0E39B6000141 for ; Mon, 14 Jun 2021 20:17:44 +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=TXsh4FqcuWpahP9XDxthp+mcjlyoxQTiGJilDphr8hQ=; b=lXkMjEnQTwC/lUBeNGY+Ln+0P+ DUbjWK+QH4GMVWmW7J+sJcGRKJe9IQ0aBLTHpmg6Z/kUDF3/sJm31gvKZOK9MCiKQI9DLLZJhs2Jl 9SaENZ+ZFYUB4K5hn+t+QlaIQFDX1QaFRvR5hGpvEcCuT+04j+kYT5Suqn7rEX1cZODan3G+6FbZI PLpsCRX4e2NotSpXThxwfbucfj8/4KqVEhBTcWRmt3Dd88Zawf5F4zmV6QyP3anySefOmNI11IhiA w5Df0JQJIFl7ktAghwTv0ydZyhT1jk/az0nDagmgrfpcYPnaLUVDgi8F89H9KE43xrRyQhthiPg3I KWHbBgBQ==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lst09-005mtJ-JQ; Mon, 14 Jun 2021 20:16:14 +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 Subject: [PATCH v11 03/33] mm: Add folio_pgdat(), folio_zone() and folio_zonenum() Date: Mon, 14 Jun 2021 21:14:05 +0100 Message-Id: <20210614201435.1379188-4-willy@infradead.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210614201435.1379188-1-willy@infradead.org> References: <20210614201435.1379188-1-willy@infradead.org> MIME-Version: 1.0 Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=lXkMjEnQ; dmarc=none; spf=none (imf25.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-Rspamd-Server: rspam02 X-Stat-Signature: b77hur8i5rnqfq9zqgzdhxdhaqw97uwp X-Rspamd-Queue-Id: 0E39B6000141 X-HE-Tag: 1623701864-934037 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 --- include/linux/mm.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index 19f2ec1a2221..0432f811f1b5 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) {