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: Jeff Dike <jd...@addtoit.com>
Cc: Richard Weinberger <rich...@nod.at>
---
arch/um/Kconfig.um | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig.um
index a7520c90f62d..5dbfe3d9107c 100644
--- a/arch/um/Kconfig.um
+++ b/arch/um/Kconfig.um
@@ -155,3 +155,8 @@ config MMAPPER
config NO_DMA
def_bool y
+
+config PGTABLE_LEVELS
+ int
+ default 3 if 3_LEVEL_PGTABLES
+ default 2
--
2.1.4
--
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