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Subject[PATCH 15/19] tile: expose number of page table levels
Date
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: Chris Metcalf <cmetcalf@ezchip.com>
---
arch/tile/Kconfig | 5 +++++
1 file changed, 5 insertions(+)

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"
--
2.1.4


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