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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 5D896C2BA83 for ; Wed, 12 Feb 2020 04:19:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 180F3215A4 for ; Wed, 12 Feb 2020 04:19:03 +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="q+ARYIkz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 180F3215A4 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 6B25A6B03AC; Tue, 11 Feb 2020 23:18:49 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 50D226B03AE; Tue, 11 Feb 2020 23:18:49 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D6DAE6B03A0; Tue, 11 Feb 2020 23:18:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0195.hostedemail.com [216.40.44.195]) by kanga.kvack.org (Postfix) with ESMTP id 4D0146B039F for ; Tue, 11 Feb 2020 23:18:48 -0500 (EST) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id E895E2488 for ; Wed, 12 Feb 2020 04:18:47 +0000 (UTC) X-FDA: 76480169094.15.glue53_1294c7e8ef70f X-HE-Tag: glue53_1294c7e8ef70f X-Filterd-Recvd-Size: 2495 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Wed, 12 Feb 2020 04:18:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=Ar2j50GYs9J9BaYFHSXaQwTgcbYxh2+e3nItv/JisDg=; b=q+ARYIkzqoV0EJate98vASh97q PAPLu29G/dVnmGW7ZtdxE3PfJDAhe+wPW54riDrYkchOXlSxW6L5OpWb1aUtWrmytruLUDQdZ+Ra9 5fAeEVdmOr7W5O2E/UwdBPHneBERnjwgf+T0asiJA7QPtKN4mPH/kiXG6l50XLMNbo+cX84geZMps 0OfMo8pMcPhDlZt+upvImJ5SXA27gBcxt1ozyfKx190UbW7DMVCXKAMM9fqm7zIIpCXgZYMCMABjW F/HmewLt4yINlc5w+FN8BzD4dEdCW08w3SGCR9ozhFdcOy4Mjp07JhxAu45NVvbeWFZ0hKV7tZX5D 0e62MobA==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1j1jU6-0006nH-RF; Wed, 12 Feb 2020 04:18:46 +0000 From: Matthew Wilcox To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org Subject: [PATCH v2 09/25] fs: Add a filesystem flag for large pages Date: Tue, 11 Feb 2020 20:18:29 -0800 Message-Id: <20200212041845.25879-10-willy@infradead.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200212041845.25879-1-willy@infradead.org> References: <20200212041845.25879-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: From: "Matthew Wilcox (Oracle)" The page cache needs to know whether the filesystem supports pages > PAGE_SIZE. Signed-off-by: Matthew Wilcox (Oracle) --- include/linux/fs.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index d4e2d2964346..24e720723afb 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2235,6 +2235,7 @@ struct file_system_type { #define FS_HAS_SUBTYPE 4 #define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */ #define FS_DISALLOW_NOTIFY_PERM 16 /* Disable fanotify permission events= */ +#define FS_LARGE_PAGES 8192 /* Remove once all fs converted */ #define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during re= name() internally. */ int (*init_fs_context)(struct fs_context *); const struct fs_parameter_spec *parameters; --=20 2.25.0