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-rw-r--r--include/linux/mm.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f1d9aaa..0cdab4e 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -20,6 +20,7 @@
struct mempolicy;
struct anon_vma;
+struct anon_vma_chain;
struct file_ra_state;
struct user_struct;
struct writeback_control;
@@ -1377,6 +1378,19 @@ static inline void vma_nonlinear_insert(struct vm_area_struct *vma,
list_add_tail(&vma->shared.nonlinear, list);
}
+void anon_vma_interval_tree_insert(struct anon_vma_chain *node,
+ struct rb_root *root);
+void anon_vma_interval_tree_remove(struct anon_vma_chain *node,
+ struct rb_root *root);
+struct anon_vma_chain *anon_vma_interval_tree_iter_first(
+ struct rb_root *root, unsigned long start, unsigned long last);
+struct anon_vma_chain *anon_vma_interval_tree_iter_next(
+ struct anon_vma_chain *node, unsigned long start, unsigned long last);
+
+#define anon_vma_interval_tree_foreach(avc, root, start, last) \
+ for (avc = anon_vma_interval_tree_iter_first(root, start, last); \
+ avc; avc = anon_vma_interval_tree_iter_next(avc, start, last))
+
/* mmap.c */
extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);
extern int vma_adjust(struct vm_area_struct *vma, unsigned long start,
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