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 885D5C433FE for ; Tue, 15 Feb 2022 07:15:56 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E22F66B0078; Tue, 15 Feb 2022 02:15:55 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DD26C6B007B; Tue, 15 Feb 2022 02:15:55 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CE8526B007D; Tue, 15 Feb 2022 02:15:55 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0042.hostedemail.com [216.40.44.42]) by kanga.kvack.org (Postfix) with ESMTP id C24966B0078 for ; Tue, 15 Feb 2022 02:15:55 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 85522180AD837 for ; Tue, 15 Feb 2022 07:15:55 +0000 (UTC) X-FDA: 79144154670.30.8B9C49D Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf22.hostedemail.com (Postfix) with ESMTP id DE41DC0004 for ; Tue, 15 Feb 2022 07:15:54 +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=rCLWEOZIWxt9LKEf3abFS6lCPWMAX6uZAZ7yw6FyVzI=; b=O7petTukc3UzZLlPSQIoji4Q8d eO4+jzLJupEI6h6lOKrpX9aaDlXxZdLwGg2OmF4Xxm5Am63eDsh7Wu8dxrJn7lGywlcjSn/9rHycL DvKUgw9RNgbZerUsdvnsEPS3c5Y6Wb0ZZSaVfv1wZNTWCBwBere1lINe6WkPy/v8RE1W3rSH19pOk ieyA710xXC7GaWxlVJ5yFb3sAfYnJ5ulLPQcILlpqUQqd4BPCYdTqwVGrTn2nY713y2IVUCwYEHYM 7dzU/3M+4udPZa2P6Wx+MLEhiM5hMxXbAEuCcTedjEALof2tN8l8GrPFiXy7gg895n1KU4bco+VGN +ZpXPsuw==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nJs40-0015NK-4D; Tue, 15 Feb 2022 07:15:52 +0000 Date: Mon, 14 Feb 2022 23:15:52 -0800 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 01/10] splice: Use a folio in page_cache_pipe_buf_try_steal() Message-ID: References: <20220214200017.3150590-1-willy@infradead.org> <20220214200017.3150590-2-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220214200017.3150590-2-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=O7petTuk; dmarc=none; spf=none (imf22.hostedemail.com: domain of BATV+0ca47b70804f6e632d40+6750+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+0ca47b70804f6e632d40+6750+infradead.org+hch@bombadil.srs.infradead.org X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: DE41DC0004 X-Stat-Signature: ce1e5brbds5ttbm4fwusig36rit6198g X-HE-Tag: 1644909354-864460 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, Feb 14, 2022 at 08:00:08PM +0000, Matthew Wilcox (Oracle) wrote: > This saves a lot of calls to compound_head(). Looks good, Reviewed-by: Christoph Hellwig