diff options
Diffstat (limited to 'mm/interval_tree.c')
| -rw-r--r-- | mm/interval_tree.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mm/interval_tree.c b/mm/interval_tree.c index 4ab7b9ec3a56..f7c72cd35e1d 100644 --- a/mm/interval_tree.c +++ b/mm/interval_tree.c @@ -8,6 +8,7 @@ #include <linux/mm.h> #include <linux/fs.h> +#include <linux/rmap.h> #include <linux/interval_tree_generic.h> static inline unsigned long vma_start_pgoff(struct vm_area_struct *v) @@ -57,3 +58,16 @@ void vma_interval_tree_insert_after(struct vm_area_struct *node, rb_insert_augmented(&node->shared.linear.rb, root, &vma_interval_tree_augment); } + +static inline unsigned long avc_start_pgoff(struct anon_vma_chain *avc) +{ + return vma_start_pgoff(avc->vma); +} + +static inline unsigned long avc_last_pgoff(struct anon_vma_chain *avc) +{ + return vma_last_pgoff(avc->vma); +} + +INTERVAL_TREE_DEFINE(struct anon_vma_chain, rb, unsigned long, rb_subtree_last, + avc_start_pgoff, avc_last_pgoff,, anon_vma_interval_tree) |