diff options
Diffstat (limited to 'arch/arm64/include/asm/hugetlb.h')
| -rw-r--r-- | arch/arm64/include/asm/hugetlb.h | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h index c6dff3e69539..2a8155c4a882 100644 --- a/arch/arm64/include/asm/hugetlb.h +++ b/arch/arm64/include/asm/hugetlb.h @@ -42,8 +42,8 @@ extern int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty); #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR -extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep); +extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, unsigned long sz); #define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT extern void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep); @@ -69,6 +69,30 @@ extern void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, #include <asm-generic/hugetlb.h> +static inline void __flush_hugetlb_tlb_range(struct vm_area_struct *vma, + unsigned long start, + unsigned long end, + unsigned long stride, + bool last_level) +{ + switch (stride) { +#ifndef __PAGETABLE_PMD_FOLDED + case PUD_SIZE: + __flush_tlb_range(vma, start, end, PUD_SIZE, last_level, 1); + break; +#endif + case CONT_PMD_SIZE: + case PMD_SIZE: + __flush_tlb_range(vma, start, end, PMD_SIZE, last_level, 2); + break; + case CONT_PTE_SIZE: + __flush_tlb_range(vma, start, end, PAGE_SIZE, last_level, 3); + break; + default: + __flush_tlb_range(vma, start, end, PAGE_SIZE, last_level, TLBI_TTL_UNKNOWN); + } +} + #define __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE static inline void flush_hugetlb_tlb_range(struct vm_area_struct *vma, unsigned long start, @@ -76,12 +100,7 @@ static inline void flush_hugetlb_tlb_range(struct vm_area_struct *vma, { unsigned long stride = huge_page_size(hstate_vma(vma)); - if (stride == PMD_SIZE) - __flush_tlb_range(vma, start, end, stride, false, 2); - else if (stride == PUD_SIZE) - __flush_tlb_range(vma, start, end, stride, false, 1); - else - __flush_tlb_range(vma, start, end, PAGE_SIZE, false, 0); + __flush_hugetlb_tlb_range(vma, start, end, stride, false); } #endif /* __ASM_HUGETLB_H */ |