27 struct anon_vma {  struct
28 	struct anon_vma *root;	/* Root of this anon_vma tree */  argument
31 	 * The refcount is taken on an anon_vma when there is no  argument
51  * The copy-on-write semantics of fork mean that an anon_vma  argument
65 	struct anon_vma *anon_vma;  member
71 static inline void get_anon_vma(struct anon_vma *anon_vma)  in get_anon_vma()
78 static inline void put_anon_vma(struct anon_vma *anon_vma)  in put_anon_vma()
94 	struct anon_vma *anon_vma = vma->anon_vma;  in vma_lock_anon_vma()  local
101 	struct anon_vma *anon_vma = vma->anon_vma;  in vma_unlock_anon_vma()  local
106 static inline void anon_vma_lock(struct anon_vma *anon_vma)  in anon_vma_lock()
111 static inline void anon_vma_unlock(struct anon_vma *anon_vma)  in anon_vma_unlock()