sh: 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 <[email protected]> Cc: [email protected] Tested-by: Guenter Roeck <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
ambv · Apr 14, 2015 · 69543d6 · 69543d6
1 parent c81956c
commit 69543d6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git 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"