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=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 ABF90C433B4 for ; Tue, 6 Apr 2021 14:19:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6CE05613A7 for ; Tue, 6 Apr 2021 14:19:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CE05613A7 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 0C6776B0082; Tue, 6 Apr 2021 10:19:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 09E3A6B0083; Tue, 6 Apr 2021 10:19:09 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EA7B66B0085; Tue, 6 Apr 2021 10:19:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0174.hostedemail.com [216.40.44.174]) by kanga.kvack.org (Postfix) with ESMTP id D0D2E6B0082 for ; Tue, 6 Apr 2021 10:19:08 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 8C0EB1801E33B for ; Tue, 6 Apr 2021 14:19:08 +0000 (UTC) X-FDA: 78002149176.03.6E192AA Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf22.hostedemail.com (Postfix) with ESMTP id 867CDC0007E7 for ; Tue, 6 Apr 2021 14:19:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=V+mqfpmyni1DXeDGcSt6JYGkbc6/W+OzefrSF68qbTE=; b=g0OnYJeNojI0tGUvC+/4CLfykg xYbJMOKwNOzr2MNKGY1c2R4yQlIX5CAs1ntHuh8nZNTFNmFxZNdrxNbTylg/il/BUo00nWsH1BSBm bvMeQoTSAVUPjb6YnmfDzGUyrBKaOAy8aVxhcdsH5wTfggIdsI7hfZaUFhVLXszX2PDDeKV6hdqC2 PZGhI65Nv3C2HIGTR9Q1s9BVnaLmxiJdUFVL91loH0NMVvsVC6q59ocGNFy5NlelxKbC0Xsj/fiy/ xbRYMuN+4pyXzEet/t6p/4CvFbZm4Q+a3pG+1pHyGu+94kLYfCnuwMMTKBwMp5oa55q7F27ZPiqNz E3TAk6oA==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lTmXB-00CvJR-0x; Tue, 06 Apr 2021 14:18:27 +0000 Date: Tue, 6 Apr 2021 15:18:25 +0100 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-cachefs@redhat.com, linux-afs@lists.infradead.org Subject: Re: [PATCH v6 24/27] mm/writeback: Add wait_for_stable_folio Message-ID: <20210406141825.GW3062550@infradead.org> References: <20210331184728.1188084-1-willy@infradead.org> <20210331184728.1188084-25-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210331184728.1188084-25-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 867CDC0007E7 X-Stat-Signature: 95jmnqgb5de7kkbxnxugs1fc3k7sz713 Received-SPF: none (casper.srs.infradead.org>: No applicable sender policy available) receiver=imf22; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1617718746-38523 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 Wed, Mar 31, 2021 at 07:47:25PM +0100, Matthew Wilcox (Oracle) wrote: > Move wait_for_stable_page() into the folio compatibility file. > wait_for_stable_folio() avoids a call to compound_head() and is 14 bytes > smaller than wait_for_stable_page() was. The net text size grows by 24 > bytes as a result of this patch. > > Signed-off-by: Matthew Wilcox (Oracle) Looks good, Reviewed-by: Christoph Hellwig