From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) by kanga.kvack.org (Postfix) with ESMTP id 1BA4E6B006C for ; Fri, 30 Jan 2015 19:27:37 -0500 (EST) Received: by mail-pa0-f46.google.com with SMTP id lj1so58306688pab.5 for ; Fri, 30 Jan 2015 16:27:36 -0800 (PST) Received: from mga01.intel.com (mga01.intel.com. [192.55.52.88]) by mx.google.com with ESMTP id we6si15491712pac.129.2015.01.30.16.27.36 for ; Fri, 30 Jan 2015 16:27:36 -0800 (PST) From: "Kirill A. Shutemov" Subject: [PATCHv2 11/19] powerpc: expose number of page table levels on Kconfig level Date: Sat, 31 Jan 2015 02:27:27 +0200 Message-Id: <1422664047-220637-1-git-send-email-kirill.shutemov@linux.intel.com> In-Reply-To: <1422629008-13689-12-git-send-email-kirill.shutemov@linux.intel.com> References: <1422629008-13689-12-git-send-email-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Martin Schwidefsky , 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 --- v2: s/64K_PAGES/PPC_64K_PAGES/ --- arch/powerpc/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 22b0940494bb..91ad76f30d18 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 PPC_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