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: Richard Henderson <r...@twiddle.net>
Cc: Ivan Kokshaysky <i...@jurassic.park.msu.ru>
Cc: Matt Turner <matts...@gmail.com>
---
arch/alpha/Kconfig | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index b7ff9a318c31..bf9e9d3b3792 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -76,6 +76,10 @@ config GENERIC_ISA_DMA
bool
default y
+config PGTABLE_LEVELS
+ int
+ default 3
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
--
2.1.4
--
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