From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f51.google.com (mail-pa0-f51.google.com [209.85.220.51]) by kanga.kvack.org (Postfix) with ESMTP id 50CC6828F3 for ; Fri, 30 Jan 2015 09:44:05 -0500 (EST) Received: by mail-pa0-f51.google.com with SMTP id fb1so53211825pad.10 for ; Fri, 30 Jan 2015 06:44:05 -0800 (PST) Received: from mga03.intel.com (mga03.intel.com. [134.134.136.65]) by mx.google.com with ESMTP id ub10si13831752pbc.203.2015.01.30.06.43.54 for ; Fri, 30 Jan 2015 06:43:54 -0800 (PST) From: "Kirill A. Shutemov" 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> 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: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Guenter Roeck , "Kirill A. Shutemov" , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org