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.shute...@linux.intel.com>
Cc: linux...@vger.kernel.org
---
arch/sh/Kconfig | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index eb4ef274ae9b..50057fed819d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -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"
--
2.1.4
--
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