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=-8.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 6079CC47420 for ; Fri, 2 Oct 2020 01:23:30 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CA9EC207F7 for ; Fri, 2 Oct 2020 01:23:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="gkSyLcts" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA9EC207F7 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 0189E6B0078; Thu, 1 Oct 2020 21:23:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F0A216B007B; Thu, 1 Oct 2020 21:23:28 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E1FC06B007D; Thu, 1 Oct 2020 21:23:28 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0069.hostedemail.com [216.40.44.69]) by kanga.kvack.org (Postfix) with ESMTP id B2C6C6B0078 for ; Thu, 1 Oct 2020 21:23:28 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 3D49F8249980 for ; Fri, 2 Oct 2020 01:23:28 +0000 (UTC) X-FDA: 77325237696.22.stamp49_0f02616271a0 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin22.hostedemail.com (Postfix) with ESMTP id 1DC3618038E67 for ; Fri, 2 Oct 2020 01:23:28 +0000 (UTC) X-HE-Tag: stamp49_0f02616271a0 X-Filterd-Recvd-Size: 1800 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf18.hostedemail.com (Postfix) with ESMTP for ; Fri, 2 Oct 2020 01:23:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:MIME-Version:Message-ID: Subject:To:From:Date:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=x7/ItltEQOQ7BIFa5bsIwt2tPDfdSHRTJLgJ/0nJlFQ=; b=gkSyLctsfD6q3LOEcxXLgL1+Oy pBng/ERGjdC3+DUSjaIJkXrH2kSxYfP6cndouKOsdZeZBUo8L3kJIf9iZ8N5P1DQ++bGFMjmyi6c3 N4kp8yN7XGDV2nCGL/+S8aFCmbmiceP7vIe/FQkK1ldA2bDT7Ct6KwoA1eKO5cbOFEmeNEH0tIJoZ tNnsGPtsM5mAshMgz/GrgWwws+Y+0o0ekZ4m/5uQeeS1tjXU/8NxlxuF+24gtHDg/Juu1Z/dp1RdJ lu1HdFCA0xtgqowjFzdxeApInE7KgVqc+BGfR65a+WqOu6JvgrBvgsraV05De15qPsHnnr0DQKdbl FQTWdQcA==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kO9nA-00075A-8I; Fri, 02 Oct 2020 01:23:24 +0000 Date: Fri, 2 Oct 2020 02:23:24 +0100 From: Matthew Wilcox To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: VM_HUGEPAGE support for XFS Message-ID: <20201002012324.GX20115@casper.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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: Today I decided to implement VM_HUGEPAGE support for XFS. It turned out to be a rather simpler implementation than I was expecting because I could reuse the readahead implementation. Feel free to try it for yourself: http://git.infradead.org/users/willy/pagecache.git The patches up to "fs: Do not update nr_thps for mappings which support... " are in linux-next for 5.10. I hope to get the rest into 5.11.