linux-kernel - [PATCHv3 06/17] m68k: mark PMD folded and expose number of page table levels

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Message-Id: <1424950520-90188-7-git-send-email-kirill.shutemov@linux.intel.com>
Date:	Thu, 26 Feb 2015 13:35:09 +0200
From:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCHv3 06/17] m68k: mark PMD folded and expose number of page table levels

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 <kirill.shutemov@...ux.intel.com>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Tested-by: Guenter Roeck <linux@...ck-us.net>
---
 arch/m68k/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 87b7c7581b1d..2dd8f63bfbbb 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -67,6 +67,10 @@ config HZ
 	default 1000 if CLEOPATRA
 	default 100
 
+config PGTABLE_LEVELS
+	default 2 if SUN3 || COLDFIRE
+	default 3
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
-- 
2.1.4

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