diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-04-14 15:45:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-14 16:49:01 -0700 |
| commit | 1bcad26e9d5362d4890ab5718d729ee9cd85a493 (patch) | |
| tree | 0e6253daa0a429846de3ddf3df52fb4d71a76318 /arch/arm | |
| parent | 9f25e6ad58e1fb3b4d441e4c55635c4598a6fa94 (diff) | |
arm: 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.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Russell King <linux@arm.linux.org.uk>
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index cf4c0c99aa25..696cf3c61e0f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -286,6 +286,11 @@ config GENERIC_BUG def_bool y depends on BUG +config PGTABLE_LEVELS + int + default 3 if ARM_LPAE + default 2 + source "init/Kconfig" source "kernel/Kconfig.freezer" |