From patchwork Mon Jul 12 19:01:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 12371905 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 225E1C07E99 for ; Mon, 12 Jul 2021 19:04:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C4D186121E for ; Mon, 12 Jul 2021 19:04:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C4D186121E 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 EC6F66B0095; Mon, 12 Jul 2021 15:04:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E76EF6B0096; Mon, 12 Jul 2021 15:04:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D18756B0099; Mon, 12 Jul 2021 15:04:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0238.hostedemail.com [216.40.44.238]) by kanga.kvack.org (Postfix) with ESMTP id AED916B0095 for ; Mon, 12 Jul 2021 15:04:40 -0400 (EDT) Received: from smtpin35.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id C294E27DDA for ; Mon, 12 Jul 2021 19:04:39 +0000 (UTC) X-FDA: 78354862278.35.0C02D7C Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf30.hostedemail.com (Postfix) with ESMTP id 5D931E001802 for ; Mon, 12 Jul 2021 19:04:39 +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=tVb0PJLN8cc5QzY8NlRBA4W55jS9HxayokROUPdtIvA=; b=d/yy51cf6amnoKymBpAU/f6rtp dDHeL7gNm+3yylWd7uKt4lgYIahVtiIPhLU3SI9vfBwiqCvdvButjXeM8YUGDdfDfj/v91VEezEmH nyhm626PwUIpsDhnZ76gp92uARknhCcLs7d/99W2lLc6Ns2iPWxlq5Qs+PDTsXJeJJZGkabdn0V7v 61dN7URrq8MiAIPHmQvOzmadR0ChgM6ySlK/uOnnQ56rUn8dbixijgbMQ2bQtLxinQIrAxXCHFBAJ l/Pw1fM4VsGm/phNoLPuMEazdQdEq8OsPy+knB8+j49DgmsJsOB8c4tnFgONtniOjFTmAu7aamfEU aOahQ/Og==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m31D3-000LC2-Vm; Mon, 12 Jul 2021 19:03:25 +0000 From: "Matthew Wilcox (Oracle)" To: akpm@linux-foundation.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Zi Yan , Christoph Hellwig , Jeff Layton , "Kirill A . Shutemov" , Vlastimil Babka , William Kucharski , David Howells Subject: [PATCH v13 03/32] mm: Add folio_pgdat(), folio_zone() and folio_zonenum() Date: Mon, 12 Jul 2021 20:01:35 +0100 Message-Id: <20210712190204.80979-4-willy@infradead.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210712190204.80979-1-willy@infradead.org> References: <20210712190204.80979-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 5D931E001802 X-Stat-Signature: juarbjhzah9xjreu4rs1yqb3xxxxmuea Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b="d/yy51cf"; spf=none (imf30.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none X-HE-Tag: 1626116679-421190 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 054812351960..460e9805dd9f 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1143,6 +1143,11 @@ 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) { @@ -1558,6 +1563,16 @@ 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) {