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| author |   Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-04-14 15:45:48 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-14 16:49:02 -0700 |
| commit | 980d5b7387c6bbc9b411a3469274b3226b161e45 (patch) | |
| tree | 6babd3687881ebac2ac1ea2af4d9ebe8d5ebf378 /arch/m68k | |
| parent | ia64: expose number of page table levels on Kconfig level (diff) | |
| download | linux-dev-980d5b7387c6bbc9b411a3469274b3226b161e45.tar.xz linux-dev-980d5b7387c6bbc9b411a3469274b3226b161e45.zip | |
m68k: mark PMD folded and 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.
Core mm expects __PAGETABLE_{PUD,PMD}_FOLDED to be defined if these page
table levels folded.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.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/m68k')
| -rw-r--r-- | arch/m68k/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 87b7c7581b1d..2dd8f63bfbbb 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -67,6 +67,10 @@ config HZ default 1000 if CLEOPATRA default 100 +config PGTABLE_LEVELS + default 2 if SUN3 || COLDFIRE + default 3 + source "init/Kconfig" source "kernel/Kconfig.freezer" |