projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| a9252aae AK |
1 | #ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H |
| 2 | #define _ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H | |
| 3 | /* | |
| 4 | * hash 4k can't share hugetlb and also doesn't support THP | |
| 5 | */ | |
| c0a6c719 AK |
6 | #ifndef __ASSEMBLY__ |
| 7 | #ifdef CONFIG_HUGETLB_PAGE | |
| 8 | static inline int pmd_huge(pmd_t pmd) | |
| 9 | { | |
| 10 | /* | |
| 11 | * leaf pte for huge page | |
| 12 | */ | |
| 13 | if (radix_enabled()) | |
| 14 | return !!(pmd_val(pmd) & _PAGE_PTE); | |
| 15 | return 0; | |
| 16 | } | |
| 17 | ||
| 18 | static inline int pud_huge(pud_t pud) | |
| 19 | { | |
| 20 | /* | |
| 21 | * leaf pte for huge page | |
| 22 | */ | |
| 23 | if (radix_enabled()) | |
| 24 | return !!(pud_val(pud) & _PAGE_PTE); | |
| 25 | return 0; | |
| 26 | } | |
| 27 | ||
| 28 | static inline int pgd_huge(pgd_t pgd) | |
| 29 | { | |
| 30 | /* | |
| 31 | * leaf pte for huge page | |
| 32 | */ | |
| 33 | if (radix_enabled()) | |
| 34 | return !!(pgd_val(pgd) & _PAGE_PTE); | |
| 35 | return 0; | |
| 36 | } | |
| 37 | #define pgd_huge pgd_huge | |
| 38 | /* | |
| 39 | * With radix , we have hugepage ptes in the pud and pmd entries. We don't | |
| 40 | * need to setup hugepage directory for them. Our pte and page directory format | |
| 41 | * enable us to have this enabled. | |
| 42 | */ | |
| 43 | static inline int hugepd_ok(hugepd_t hpd) | |
| 44 | { | |
| 45 | if (radix_enabled()) | |
| 46 | return 0; | |
| 47 | return hash__hugepd_ok(hpd); | |
| 48 | } | |
| 49 | #define is_hugepd(hpd) (hugepd_ok(hpd)) | |
| 50 | #endif /* CONFIG_HUGETLB_PAGE */ | |
| 51 | #endif /* __ASSEMBLY__ */ | |
| a9252aae AK |
52 | |
| 53 | #endif /*_ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H */ |