From mboxrd@z Thu Jan 1 00:00:00 1970 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 C5BE6C433DB for ; Sat, 20 Mar 2021 05:42:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0D4236193E for ; Sat, 20 Mar 2021 05:42:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D4236193E 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 A132A6B0078; Sat, 20 Mar 2021 01:41:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9E9D78D0009; Sat, 20 Mar 2021 01:41:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8B17C8D0008; Sat, 20 Mar 2021 01:41:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0137.hostedemail.com [216.40.44.137]) by kanga.kvack.org (Postfix) with ESMTP id 7032C6B0078 for ; Sat, 20 Mar 2021 01:41:59 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 20CBBA76E for ; Sat, 20 Mar 2021 05:41:59 +0000 (UTC) X-FDA: 77939156358.29.8689CC9 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf19.hostedemail.com (Postfix) with ESMTP id C3DEA90009D6 for ; Sat, 20 Mar 2021 05:41:58 +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=KpUjZvi6Y6AV1bv/yTlf7kQsi0VFFip0qDHS1+05VZk=; b=hT15opsHDRQS3S+27H7DSOEqdf uRBLjm5zM4JcfSAAJhNs9rvf5VwrXcmY8Ik4veP3kOkQSGxhfGifXit5FUbclu2N+EVWYENwrhlPW EQMMCxTewxxRlqwKts2pdEgMywzYPliJin+6cqNAm0kZ3aHy9ex9ajmFC5q9lKXqHrLeDt7qRwKin zU7t9fvVftKxX7CwVy8vRDTTtMZ/oVRQR7Hxb4W+hfgA1p4e0r75QbbqTjFWeKJH9o5D5RGCMuwlZ V1Jg4A7nu1lv0lp2oDsCRSe60LZx2i7Lr8FKjrDcnO0R5E7kYUzu8xdB6n9N878XnI6Xp4gB22nTQ k0fqnLsg==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lNUMs-005STP-BE; Sat, 20 Mar 2021 05:41:48 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-cachefs@redhat.com, linux-afs@lists.infradead.org, Zi Yan Subject: [PATCH v5 05/27] mm: Add folio_pgdat and folio_zone Date: Sat, 20 Mar 2021 05:40:42 +0000 Message-Id: <20210320054104.1300774-6-willy@infradead.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210320054104.1300774-1-willy@infradead.org> References: <20210320054104.1300774-1-willy@infradead.org> MIME-Version: 1.0 X-Stat-Signature: 14rpcxmfy948sfaaqpj17f3bzgon8epr X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C3DEA90009D6 Received-SPF: none (infradead.org>: No applicable sender policy available) receiver=imf19; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1616218918-988151 Content-Transfer-Encoding: quoted-printable 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. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Zi Yan --- include/linux/mm.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index 9b7e3fa12fd3..e176e9c9990f 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1544,6 +1544,16 @@ static inline pg_data_t *page_pgdat(const struct p= age *page) return NODE_DATA(page_to_nid(page)); } =20 +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 sec= tion) { --=20 2.30.2