33 struct anon_vma {  struct
34 	struct anon_vma *root;		/* Root of this anon_vma tree */  argument
37 	 * The refcount is taken on an anon_vma when there is no  argument
46 	 * Count of child anon_vmas and VMAs which points to this anon_vma.  argument
53 	struct anon_vma *parent;	/* Parent of this anon_vma */  argument
69  * The copy-on-write semantics of fork mean that an anon_vma  argument
83 	struct anon_vma *anon_vma;  member
109 static inline void get_anon_vma(struct anon_vma *anon_vma)  in get_anon_vma()
116 static inline void put_anon_vma(struct anon_vma *anon_vma)  in put_anon_vma()
122 static inline void anon_vma_lock_write(struct anon_vma *anon_vma)  in anon_vma_lock_write()
127 static inline void anon_vma_unlock_write(struct anon_vma *anon_vma)  in anon_vma_unlock_write()
132 static inline void anon_vma_lock_read(struct anon_vma *anon_vma)  in anon_vma_lock_read()
137 static inline int anon_vma_trylock_read(struct anon_vma *anon_vma)  in anon_vma_trylock_read()
142 static inline void anon_vma_unlock_read(struct anon_vma *anon_vma)  in anon_vma_unlock_read()