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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-04-14 15:45:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 16:49:02 -0700
commita728ab52709e2fb9659d2661ac30c901df42ef02 (patch)
tree78282dc24ef5c4dc9c192a3b39160f4da9edd5b0 /arch/mips/Kconfig
parent980d5b7387c6bbc9b411a3469274b3226b161e45 (diff)
mips: 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: Ralf Baechle <ralf@linux-mips.org> 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/mips/Kconfig')
-rw-r--r--arch/mips/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index c7a16904cd03..a9d112d2a135 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2600,6 +2600,11 @@ config STACKTRACE_SUPPORT
bool
default y
+config PGTABLE_LEVELS
+ int
+ default 3 if 64BIT && !PAGE_SIZE_64KB
+ default 2
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"