From patchwork Fri Jan 30 14:43:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirill A . Shutemov" X-Patchwork-Id: 5750701 X-Patchwork-Delegate: horms@verge.net.au Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E1F38BF440 for ; Fri, 30 Jan 2015 14:44:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2AE4F202AE for ; Fri, 30 Jan 2015 14:44:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4CDFE202E5 for ; Fri, 30 Jan 2015 14:44:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762537AbbA3Onp (ORCPT ); Fri, 30 Jan 2015 09:43:45 -0500 Received: from mga09.intel.com ([134.134.136.24]:21056 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762613AbbA3Onl (ORCPT ); Fri, 30 Jan 2015 09:43:41 -0500 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP; 30 Jan 2015 06:40:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="447556509" Received: from black.fi.intel.com ([10.237.72.86]) by FMSMGA003.fm.intel.com with ESMTP; 30 Jan 2015 06:29:43 -0800 Received: by black.fi.intel.com (Postfix, from userid 1000) id 2F096132F; Fri, 30 Jan 2015 16:43:31 +0200 (EET) From: "Kirill A. Shutemov" To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Guenter Roeck , "Kirill A. Shutemov" , linux-sh@vger.kernel.org Subject: [PATCH 13/19] sh: expose number of page table levels Date: Fri, 30 Jan 2015 16:43:22 +0200 Message-Id: <1422629008-13689-14-git-send-email-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1422629008-13689-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1422629008-13689-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We would want to use number of page table level to define mm_struct. Let's expose it as CONFIG_PGTABLE_LEVELS. Signed-off-by: Kirill A. Shutemov Cc: linux-sh@vger.kernel.org --- arch/sh/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index eb4ef274ae9b..50057fed819d 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -162,6 +162,10 @@ config NEED_DMA_MAP_STATE config NEED_SG_DMA_LENGTH def_bool y +config PGTABLE_LEVELS + default 3 if X2TLB + default 2 + source "init/Kconfig" source "kernel/Kconfig.freezer"