From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932865AbbA3O6r (ORCPT ); Fri, 30 Jan 2015 09:58:47 -0500 Received: from mga01.intel.com ([192.55.52.88]:22438 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762548AbbA3Oni (ORCPT ); Fri, 30 Jan 2015 09:43:38 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,491,1418112000"; d="scan'208";a="659224419" From: "Kirill A. Shutemov" To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Guenter Roeck , "Kirill A. Shutemov" , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Subject: [PATCH 11/19] powerpc: expose number of page table levels on Kconfig level Date: Fri, 30 Jan 2015 16:43:20 +0200 Message-Id: <1422629008-13689-12-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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman --- arch/powerpc/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 22b0940494bb..4c0c744fa297 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -297,6 +297,12 @@ config ZONE_DMA32 bool default y if PPC64 +config PGTABLE_LEVELS + int + default 2 if !PPC64 + default 3 if 64K_PAGES + default 4 + source "init/Kconfig" source "kernel/Kconfig.freezer" -- 2.1.4