ia64: expose number of page table levels on Kconfig level
We would want to use number of page table level to define mm_struct.
Let's expose it as CONFIG_PGTABLE_LEVELS.
We need to define PGTABLE_LEVELS before sourcing init/Kconfig:
arch/Kconfig will define default value and it's sourced from init/Kconfig.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 074e52bf..4f9a666 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -1,3 +1,8 @@
+config PGTABLE_LEVELS
+ int "Page Table Levels" if !IA64_PAGE_SIZE_64KB
+ range 3 4 if !IA64_PAGE_SIZE_64KB
+ default 3
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
@@ -286,19 +291,6 @@
endchoice
-choice
- prompt "Page Table Levels"
- default PGTABLE_3
-
-config PGTABLE_3
- bool "3 Levels"
-
-config PGTABLE_4
- depends on !IA64_PAGE_SIZE_64KB
- bool "4 Levels"
-
-endchoice
-
if IA64_HP_SIM
config HZ
default 32