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sh: 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@linux.intel.com>
Cc: linux-sh@vger.kernel.org
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov 2015-04-14 15:46:02 -07:00 committed by Linus Torvalds
parent c81956c9cd
commit 69543d6399
1 changed files with 4 additions and 0 deletions
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arch/sh/Kconfig
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@ -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"