diff options
Diffstat (limited to 'arch/powerpc/include/asm/hugetlb.h')
| -rw-r--r-- | arch/powerpc/include/asm/hugetlb.h | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index bd6504c28c2f..86326587e58d 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -7,17 +7,24 @@ #ifdef CONFIG_PPC_BOOK3S_64 #include <asm/book3s/64/hugetlb.h> -#elif defined(CONFIG_PPC_FSL_BOOK3E) -#include <asm/nohash/hugetlb-book3e.h> +#elif defined(CONFIG_PPC_E500) +#include <asm/nohash/hugetlb-e500.h> #elif defined(CONFIG_PPC_8xx) #include <asm/nohash/32/hugetlb-8xx.h> #endif /* CONFIG_PPC_BOOK3S_64 */ extern bool hugetlb_disabled; -void hugetlbpage_init_default(void); +static inline bool hugepages_supported(void) +{ + if (hugetlb_disabled) + return false; + + return HPAGE_SHIFT != 0; +} +#define hugepages_supported hugepages_supported -void flush_dcache_icache_hugepage(struct page *page); +void __init hugetlbpage_init_defaultsize(void); int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len); @@ -26,33 +33,34 @@ static inline int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len) { - if (IS_ENABLED(CONFIG_PPC_MM_SLICES) && !radix_enabled()) + if (IS_ENABLED(CONFIG_PPC_64S_HASH_MMU) && !radix_enabled()) return slice_is_hugepage_only_range(mm, addr, len); return 0; } +#define is_hugepage_only_range is_hugepage_only_range -#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE -void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, - unsigned long end, unsigned long floor, - unsigned long ceiling); +#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT +void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, + pte_t pte, unsigned long sz); #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) + unsigned long addr, pte_t *ptep, + unsigned long sz) { -#ifdef CONFIG_PPC64 return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1)); -#else - return __pte(pte_update(ptep, ~0UL, 0)); -#endif } #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH -static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep) +static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) { - huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); + pte_t pte; + unsigned long sz = huge_page_size(hstate_vma(vma)); + + pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep, sz); flush_hugetlb_page(vma, addr); + return pte; } #define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS @@ -60,10 +68,7 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty); -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - +void gigantic_hugetlb_cma_reserve(void) __init; #include <asm-generic/hugetlb.h> #else /* ! CONFIG_HUGETLB_PAGE */ @@ -72,11 +77,12 @@ static inline void flush_hugetlb_page(struct vm_area_struct *vma, { } -#define hugepd_shift(x) 0 -static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, - unsigned pdshift) +static inline void __init gigantic_hugetlb_cma_reserve(void) +{ +} + +static inline void __init hugetlbpage_init_defaultsize(void) { - return NULL; } #endif /* CONFIG_HUGETLB_PAGE */ |