sparc: expose number of page table levels
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tue, 14 Apr 2015 22:46:05 +0000 (15:46 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 14 Apr 2015 23:49:02 +0000 (16:49 -0700)
commit81a2936c1a98dd007c510dc523c5bbdce263878b
treebdd67e6fa9f5a79687ae853c94cbc78eb8558e18
parent69543d639938fc71b3df69d32ecccc58beb7e578
sparc: 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: "David S. Miller" <davem@davemloft.net>
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>
arch/sparc/Kconfig