diff options
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/mm/internal.h b/mm/internal.h index aac4ec53fe15..5585059f0209 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -244,7 +244,16 @@ static inline void anon_vma_unlock_read(struct anon_vma *anon_vma) struct anon_vma *folio_get_anon_vma(const struct folio *folio); -int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src); +/* Operations which modify VMAs. */ +enum vma_operation { + VMA_OP_SPLIT, + VMA_OP_MERGE_UNFAULTED, + VMA_OP_REMAP, + VMA_OP_FORK, +}; + +int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src, + enum vma_operation operation); int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma); int __anon_vma_prepare(struct vm_area_struct *vma); void unlink_anon_vmas(struct vm_area_struct *vma); |