diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/pgtable-4k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable-4k.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h index 423735f897f5..71e9abced493 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h @@ -3,5 +3,51 @@ /* * hash 4k can't share hugetlb and also doesn't support THP */ +#ifndef __ASSEMBLY__ +#ifdef CONFIG_HUGETLB_PAGE +static inline int pmd_huge(pmd_t pmd) +{ + /* + * leaf pte for huge page + */ + if (radix_enabled()) + return !!(pmd_val(pmd) & _PAGE_PTE); + return 0; +} + +static inline int pud_huge(pud_t pud) +{ + /* + * leaf pte for huge page + */ + if (radix_enabled()) + return !!(pud_val(pud) & _PAGE_PTE); + return 0; +} + +static inline int pgd_huge(pgd_t pgd) +{ + /* + * leaf pte for huge page + */ + if (radix_enabled()) + return !!(pgd_val(pgd) & _PAGE_PTE); + return 0; +} +#define pgd_huge pgd_huge +/* + * With radix , we have hugepage ptes in the pud and pmd entries. We don't + * need to setup hugepage directory for them. Our pte and page directory format + * enable us to have this enabled. + */ +static inline int hugepd_ok(hugepd_t hpd) +{ + if (radix_enabled()) + return 0; + return hash__hugepd_ok(hpd); +} +#define is_hugepd(hpd) (hugepd_ok(hpd)) +#endif /* CONFIG_HUGETLB_PAGE */ +#endif /* __ASSEMBLY__ */ #endif /*_ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H */ |