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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C679EC4332F for ; Mon, 10 Jan 2022 08:41:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5DA4B6B009F; Mon, 10 Jan 2022 03:41:24 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 562B16B00A0; Mon, 10 Jan 2022 03:41:24 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 403DC6B00A2; Mon, 10 Jan 2022 03:41:24 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0051.hostedemail.com [216.40.44.51]) by kanga.kvack.org (Postfix) with ESMTP id 305D86B009F for ; Mon, 10 Jan 2022 03:41:24 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id DE2CE181DDC1B for ; Mon, 10 Jan 2022 08:41:23 +0000 (UTC) X-FDA: 79013733246.02.86B70A9 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf20.hostedemail.com (Postfix) with ESMTP id 886021C0005 for ; Mon, 10 Jan 2022 08:41:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=zAtKu7P8fv2P49P7cdzZ6hqSkFnk9bs2455/DWJXuSU=; b=C7heQV030RjaYXIiVwtSD86ZS+ MOdpkFywTN9bK6P5NN9MLM8zWIFUDj4+FrKNIgt9gtczE9/UmZBM16OL3/XifxYWuF731VmwI38QJ 4KwvyNXHDmNp8N+zckQ/NSrFCQ/BPx3xsagSxmn76OiprU5cpi0ey4yXs/M01YLEbE1qtlPjfxJgJ D7bH208RDMMvhuvMq3oczkpB6zFfr1MuD5tBZ+Tiv+X7hsWeEPO3E3p05M5GvOG26tH6UqZ8O9vyz Zv30x3tPCKuMPMEBivWIaSuAZAtf0xWlarrdxYWJpusDfIAAsh+mFgxX6xgrFQDn12wV7ouOccyE8 Rr1qMslg==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1n6qF0-009y6A-Ev; Mon, 10 Jan 2022 08:41:22 +0000 Date: Mon, 10 Jan 2022 00:41:22 -0800 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, John Hubbard , Christoph Hellwig , William Kucharski , linux-kernel@vger.kernel.org, Jason Gunthorpe Subject: Re: [PATCH v2 26/28] gup: Convert compound_range_next() to gup_folio_range_next() Message-ID: References: <20220110042406.499429-1-willy@infradead.org> <20220110042406.499429-27-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220110042406.499429-27-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 886021C0005 X-Stat-Signature: 17ws8mh43fpcgaugw5g9yjebokjs3uu7 Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=C7heQV03; spf=none (imf20.hostedemail.com: domain of BATV+996bc53df2b455107366+6714+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+996bc53df2b455107366+6714+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-HE-Tag: 1641804083-677041 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: On Mon, Jan 10, 2022 at 04:24:04AM +0000, Matthew Wilcox (Oracle) wrote: > +static inline struct folio *gup_folio_range_next(unsigned long i, > unsigned long npages, struct page *start, unsigned int *ntails) > { > - struct page *next, *page; > + struct page *next; > + struct folio *folio; > unsigned int nr = 1; > > next = nth_page(start, i); > + folio = page_folio(next); Superficial nit: initialization next and folio at declaration time would reada little better. Otherwise looks good: Reviewed-by: Christoph Hellwig