diff options
Diffstat (limited to 'include/linux/huge_mm.h')
| -rw-r--r-- | include/linux/huge_mm.h | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 6f14de45b5ce..97e478d6b690 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -1,12 +1,12 @@ #ifndef _LINUX_HUGE_MM_H #define _LINUX_HUGE_MM_H -extern int do_huge_pmd_anonymous_page(struct fault_env *fe); +extern int do_huge_pmd_anonymous_page(struct vm_fault *vmf); extern int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr, struct vm_area_struct *vma); -extern void huge_pmd_set_accessed(struct fault_env *fe, pmd_t orig_pmd); -extern int do_huge_pmd_wp_page(struct fault_env *fe, pmd_t orig_pmd); +extern void huge_pmd_set_accessed(struct vm_fault *vmf, pmd_t orig_pmd); +extern int do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd); extern struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, @@ -22,7 +22,7 @@ extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned char *vec); extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr, unsigned long new_addr, unsigned long old_end, - pmd_t *old_pmd, pmd_t *new_pmd); + pmd_t *old_pmd, pmd_t *new_pmd, bool *need_flush); extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned long addr, pgprot_t newprot, int prot_numa); @@ -87,6 +87,10 @@ extern bool is_vma_temporary_stack(struct vm_area_struct *vma); extern unsigned long transparent_hugepage_flags; +extern unsigned long thp_get_unmapped_area(struct file *filp, + unsigned long addr, unsigned long len, unsigned long pgoff, + unsigned long flags); + extern void prep_transhuge_page(struct page *page); extern void free_transhuge_page(struct page *page); @@ -138,7 +142,7 @@ static inline int hpage_nr_pages(struct page *page) return 1; } -extern int do_huge_pmd_numa_page(struct fault_env *fe, pmd_t orig_pmd); +extern int do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd); extern struct page *huge_zero_page; @@ -152,8 +156,8 @@ static inline bool is_huge_zero_pmd(pmd_t pmd) return is_huge_zero_page(pmd_page(pmd)); } -struct page *get_huge_zero_page(void); -void put_huge_zero_page(void); +struct page *mm_get_huge_zero_page(struct mm_struct *mm); +void mm_put_huge_zero_page(struct mm_struct *mm); #define mk_huge_pmd(page, prot) pmd_mkhuge(mk_pmd(page, prot)) @@ -169,6 +173,9 @@ void put_huge_zero_page(void); static inline void prep_transhuge_page(struct page *page) {} #define transparent_hugepage_flags 0UL + +#define thp_get_unmapped_area NULL + static inline int split_huge_page_to_list(struct page *page, struct list_head *list) { @@ -182,6 +189,8 @@ static inline void deferred_split_huge_page(struct page *page) {} #define split_huge_pmd(__vma, __pmd, __address) \ do { } while (0) +static inline void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, + unsigned long address, bool freeze, struct page *page) {} static inline void split_huge_pmd_address(struct vm_area_struct *vma, unsigned long address, bool freeze, struct page *page) {} @@ -203,7 +212,7 @@ static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd, return NULL; } -static inline int do_huge_pmd_numa_page(struct fault_env *fe, pmd_t orig_pmd) +static inline int do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd) { return 0; } @@ -213,9 +222,9 @@ static inline bool is_huge_zero_page(struct page *page) return false; } -static inline void put_huge_zero_page(void) +static inline void mm_put_huge_zero_page(struct mm_struct *mm) { - BUILD_BUG(); + return; } static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma, |