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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-04-14 15:46:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 16:49:02 -0700
commit909d45e62801ea77422d478519baa7d2287c77f7 (patch)
tree26a8cc740f047c9770ae0eb5f544064bd63d07db /arch/tile
parent81a2936c1a98dd007c510dc523c5bbdce263878b (diff)
tile: 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> Acked-by: Chris Metcalf <cmetcalf@ezchip.com> 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>
Diffstat (limited to 'arch/tile')
-rw-r--r--arch/tile/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 7cca41842a9e..0142d578b5a8 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -147,6 +147,11 @@ config ARCH_DEFCONFIG
default "arch/tile/configs/tilepro_defconfig" if !TILEGX
default "arch/tile/configs/tilegx_defconfig" if TILEGX
+config PGTABLE_LEVELS
+ int
+ default 3 if 64BIT
+ default 2
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"