diff options
Diffstat (limited to 'arch/powerpc/include/asm/page_64.h')
-rw-r--r-- | arch/powerpc/include/asm/page_64.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h index 6c9bef4cb6a..cd915d6b093 100644 --- a/arch/powerpc/include/asm/page_64.h +++ b/arch/powerpc/include/asm/page_64.h @@ -78,14 +78,18 @@ extern u64 ppc64_pft_size; #define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT) #define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT) +/* + * 1 bit per slice and we have one slice per 1TB + * Right now we support only 64TB. + * IF we change this we will have to change the type + * of high_slices + */ +#define SLICE_MASK_SIZE 8 + #ifndef __ASSEMBLY__ struct slice_mask { u16 low_slices; - /* - * This should be derived out of PGTABLE_RANGE. For the current - * max 64TB, u64 should be ok. - */ u64 high_slices; }; |