From patchwork Tue May 11 21:47:04 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: 12252103 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,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 6E90CC433B4 for ; Tue, 11 May 2021 21:49:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33770616E9 for ; Tue, 11 May 2021 21:49:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229973AbhEKVur (ORCPT ); Tue, 11 May 2021 17:50:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229637AbhEKVuq (ORCPT ); Tue, 11 May 2021 17:50:46 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D86B9C061574; Tue, 11 May 2021 14:49:39 -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=fTmQo50oOSW96isullJfUZVK+rFw+CfueZc2tV0ZVTs=; b=ihPYJrhKHwCBmhURp8nwIU+gLT tR8QlnXX/n+Z7Z21uQKTH2SMARgRO7WEZT9rk3V/pP+zK4vrVBk4tNwFR4Qa+1KXzDvaqoW1nkN8w zVn9hmJyxhm2wk29t+SJAFOaEDNJ9k0OJ3huZaYX7RXol+jNv+dbozH6Ck0VkHPSs3TRQG0EoHVXH 4xS/LcPWMvB2ybmkNqQ/9SRqBTOdgfwQd3qDABSV23HnVjPfMbkw/DU79bKf3ERS8Im9z5Jv8pwPU F+/iImwJGA/1E6iUit6hve9U9taBHf2+t1yajWeLKHzY8twtQxbQD+G5EgODvu9dxKv+pr+8YDosn IsC1Hnog==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lgaEm-007hi0-EH; Tue, 11 May 2021 21:48:29 +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 Subject: [PATCH v10 02/33] mm: Add folio_pgdat and folio_zone Date: Tue, 11 May 2021 22:47:04 +0100 Message-Id: <20210511214735.1836149-3-willy@infradead.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210511214735.1836149-1-willy@infradead.org> References: <20210511214735.1836149-1-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. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Zi Yan Reviewed-by: Christoph Hellwig Acked-by: Jeff Layton Acked-by: Vlastimil Babka --- 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) {