diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index 81564ce0f9e2..a4d0e98ccb97 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -1305,6 +1305,12 @@ static inline struct vm_area_struct vma_policy(vma), new_ctx, anon_vma_name(vma)); } +int vma_expand(struct vma_iterator *vmi, struct vm_area_struct *vma, + unsigned long start, unsigned long end, pgoff_t pgoff, + struct vm_area_struct *next); +int vma_shrink(struct vma_iterator *vmi, struct vm_area_struct *vma, + unsigned long start, unsigned long end, pgoff_t pgoff); + enum { /* mark page accessed */ FOLL_TOUCH = 1 << 16, @@ -1528,6 +1534,12 @@ static inline int vma_iter_store_gfp(struct vma_iterator *vmi, return 0; } +static inline +struct vm_area_struct *vma_iter_prev_range(struct vma_iterator *vmi) +{ + return mas_prev_range(&vmi->mas, 0); +} + /* * VMA lock generalization */ @@ -1639,4 +1651,10 @@ void unlink_file_vma_batch_init(struct unlink_vma_file_batch *); void unlink_file_vma_batch_add(struct unlink_vma_file_batch *, struct vm_area_struct *); void unlink_file_vma_batch_final(struct unlink_vma_file_batch *); +/* mremap.c */ +unsigned long move_page_tables(struct vm_area_struct *vma, + unsigned long old_addr, struct vm_area_struct *new_vma, + unsigned long new_addr, unsigned long len, + bool need_rmap_locks, bool for_stack); + #endif /* __MM_INTERNAL_H */ |