* "do page table walk over the current vma", returning
* a negative value means "abort current page table walk
* right now" and returning 1 means "skip the current vma"
+ * @pre_vma: if set, called before starting walk on a non-null vma.
+ * @post_vma: if set, called after a walk on a non-null vma, provided
+ * that @pre_vma and the vma walk succeeded.
*/
struct mm_walk_ops {
int (*pud_entry)(pud_t *pud, unsigned long addr,
struct mm_walk *walk);
int (*test_walk)(unsigned long addr, unsigned long next,
struct mm_walk *walk);
+ int (*pre_vma)(unsigned long start, unsigned long end,
+ struct mm_walk *walk);
+ void (*post_vma)(struct mm_walk *walk);
};
/**
void *private);
int walk_page_vma(struct vm_area_struct *vma, const struct mm_walk_ops *ops,
void *private);
+int walk_page_mapping(struct address_space *mapping, pgoff_t first_index,
+ pgoff_t nr, const struct mm_walk_ops *ops,
+ void *private);
#endif /* _LINUX_PAGEWALK_H */