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 95636C433EF for ; Tue, 4 Jan 2022 08:00:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BA2906B007D; Tue, 4 Jan 2022 03:00:36 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B52C16B007E; Tue, 4 Jan 2022 03:00:36 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A406F6B0080; Tue, 4 Jan 2022 03:00:36 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0001.hostedemail.com [216.40.44.1]) by kanga.kvack.org (Postfix) with ESMTP id 991036B007D for ; Tue, 4 Jan 2022 03:00:36 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 45DD39274B for ; Tue, 4 Jan 2022 08:00:36 +0000 (UTC) X-FDA: 78991857672.28.6C3D2AF Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf09.hostedemail.com (Postfix) with ESMTP id EB7BF14000E for ; Tue, 4 Jan 2022 08:00:25 +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=HPwCxjtZvpYu3TWLsxD/MIPFgHGoSJ5P3FY8DM2+Kfs=; b=NzXg3ZwCbcn0MUefGyNtxKd5rt p6k91r4/BHQbGAMGFccN7ctyAJYgX/BSXH4r7aNO86BtpV7zkichTCjVd0G52+nLiXTnA+eqR4vwA yC2rLo8xfPwD5UFiiyESwVtMeE03Q/C/QJt9LgOcLh8IHAxyzCYQZGpxijp2aywUi8+boT8ysAl9a uRp5r37LHIRnuHA3Y2bqyP/MTH4e1cUQJUXUf9SunLayLhpB+LF5wzKDea0JDwTYd8OunweuPDp7E 2O9wicMKZBzkvYbc9EaqvFpbtM9r1+vnTzgClO2ocWexolvEVo0aSIXRenf5VcKDPmK1qJOkbTZxQ 1x0eWH2Q==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4ekC-00AaIo-G0; Tue, 04 Jan 2022 08:00:32 +0000 Date: Tue, 4 Jan 2022 00:00:32 -0800 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, John Hubbard , Andrew Morton Subject: Re: [PATCH 01/17] mm: Add folio_put_refs() Message-ID: References: <20220102215729.2943705-1-willy@infradead.org> <20220102215729.2943705-2-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220102215729.2943705-2-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Queue-Id: EB7BF14000E X-Stat-Signature: ke76db1ecc1b8khpnby1h1ihmfob9zew Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=NzXg3ZwC; spf=none (imf09.hostedemail.com: domain of BATV+e6cc8b46eea779d11ede+6708+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+e6cc8b46eea779d11ede+6708+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-Rspamd-Server: rspam10 X-HE-Tag: 1641283225-689565 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 Sun, Jan 02, 2022 at 09:57:13PM +0000, Matthew Wilcox (Oracle) wrote: > This is like folio_put(), but puts N references at once instead of > just one. It's like put_page_refs(), but does one atomic operation > instead of two, and is available to more than just gup.c. > > Signed-off-by: Matthew Wilcox (Oracle) Looks good, Reviewed-by: Christoph Hellwig