29 struct anon_vma {  struct
30 	struct anon_vma *root;		/* Root of this anon_vma tree */  argument
33 	 * The refcount is taken on an anon_vma when there is no  argument
42 	 * Count of child anon_vmas and VMAs which points to this anon_vma.  argument
49 	struct anon_vma *parent;	/* Parent of this anon_vma */  argument
65  * The copy-on-write semantics of fork mean that an anon_vma  argument
79 	struct anon_vma *anon_vma;  member
105 static inline void get_anon_vma(struct anon_vma *anon_vma)  in get_anon_vma()
112 static inline void put_anon_vma(struct anon_vma *anon_vma)  in put_anon_vma()
118 static inline void anon_vma_lock_write(struct anon_vma *anon_vma)  in anon_vma_lock_write()
123 static inline void anon_vma_unlock_write(struct anon_vma *anon_vma)  in anon_vma_unlock_write()
128 static inline void anon_vma_lock_read(struct anon_vma *anon_vma)  in anon_vma_lock_read()
133 static inline void anon_vma_unlock_read(struct anon_vma *anon_vma)  in anon_vma_unlock_read()