diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-64k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash-64k.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h index f3dd21efa2ea..214219dff87c 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-64k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h @@ -4,10 +4,14 @@ #define H_PTE_INDEX_SIZE 8 #define H_PMD_INDEX_SIZE 5 #define H_PUD_INDEX_SIZE 5 -#define H_PGD_INDEX_SIZE 12 +#define H_PGD_INDEX_SIZE 15 -#define H_PAGE_COMBO 0x00001000 /* this is a combo 4k page */ -#define H_PAGE_4K_PFN 0x00002000 /* PFN is for a single 4k page */ +/* + * 64k aligned address free up few of the lower bits of RPN for us + * We steal that here. For more deatils look at pte_pfn/pfn_pte() + */ +#define H_PAGE_COMBO _RPAGE_RPN0 /* this is a combo 4k page */ +#define H_PAGE_4K_PFN _RPAGE_RPN1 /* PFN is for a single 4k page */ /* * We need to differentiate between explicit huge page and THP huge * page, since THP huge page also need to track real subpage details |