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
40 	 * Count of child anon_vmas and VMAs which points to this anon_vma.  argument
47 	struct anon_vma *parent;	/* Parent of this anon_vma */  argument
61  * The copy-on-write semantics of fork mean that an anon_vma  argument
75 	struct anon_vma *anon_vma;  member
95 static inline void get_anon_vma(struct anon_vma *anon_vma)  in get_anon_vma()
102 static inline void put_anon_vma(struct anon_vma *anon_vma)  in put_anon_vma()
108 static inline void anon_vma_lock_write(struct anon_vma *anon_vma)  in anon_vma_lock_write()
113 static inline void anon_vma_unlock_write(struct anon_vma *anon_vma)  in anon_vma_unlock_write()
118 static inline void anon_vma_lock_read(struct anon_vma *anon_vma)  in anon_vma_lock_read()
123 static inline void anon_vma_unlock_read(struct anon_vma *anon_vma)  in anon_vma_unlock_read()