From patchwork Thu Jul 15 03:34:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 12378393 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 C66B6C07E96 for ; Thu, 15 Jul 2021 03:39:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC6ED61377 for ; Thu, 15 Jul 2021 03:39:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233210AbhGODmu (ORCPT ); Wed, 14 Jul 2021 23:42:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230256AbhGODmt (ORCPT ); Wed, 14 Jul 2021 23:42:49 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DA5BC06175F; Wed, 14 Jul 2021 20:39:57 -0700 (PDT) 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=B8pcrYR+hNLPq7sa1dArlFf92eyhuj070BMxPGyPphc=; b=A00dpqNer+TANE5sSbs0rKjs55 FaVy+I5QoJC2eBkmbTCR9ZtAwBtE0WmMwV4DTeXv50m8RKBaSmm9duRpIBHe9a5IVYgbsL47LaBfv S9X+G+XwfQwMf0sj3SOv3MKnHTtZVFweRUJNdVtS14eHGrabegqjp7lZqRv2Y1dmnkVxY9PpMyYXA +TJmgQvYlkePLStwK4ScNlIIEIxPDP3QRTMLFoMO9/fFsfunUg30KxSQ+yMedYdsyFCQJ5RnjdxUL P4XPLDiHJkVXJbMhyBDOr5Mu382CVG7Rmnz0WJYoI5PVOVvjb+wt2GqYZmTPso9tbf3ZOsaXN40yg wDYOn5hw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3sCs-002uMs-4Y; Thu, 15 Jul 2021 03:38:48 +0000 From: "Matthew Wilcox (Oracle)" To: linux-kernel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , 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 v14 003/138] mm: Add folio_pgdat(), folio_zone() and folio_zonenum() Date: Thu, 15 Jul 2021 04:34:49 +0100 Message-Id: <20210715033704.692967-4-willy@infradead.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210715033704.692967-1-willy@infradead.org> References: <20210715033704.692967-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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 Acked-by: Mike Rapoport --- include/linux/mm.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index 5071084a71b9..0e14ac29a3e9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1144,6 +1144,11 @@ 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) { @@ -1559,6 +1564,16 @@ 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) {