9 static inline void mmap_init_lock(struct mm_struct *mm)  in mmap_init_lock()  argument
11 	init_rwsem(&mm->mmap_lock);  in mmap_init_lock()
14 static inline void mmap_write_lock(struct mm_struct *mm)  in mmap_write_lock()  argument
16 	down_write(&mm->mmap_lock);  in mmap_write_lock()
19 static inline void mmap_write_lock_nested(struct mm_struct *mm, int subclass)  in mmap_write_lock_nested()  argument
21 	down_write_nested(&mm->mmap_lock, subclass);  in mmap_write_lock_nested()
24 static inline int mmap_write_lock_killable(struct mm_struct *mm)  in mmap_write_lock_killable()  argument
26 	return down_write_killable(&mm->mmap_lock);  in mmap_write_lock_killable()
29 static inline bool mmap_write_trylock(struct mm_struct *mm)  in mmap_write_trylock()  argument
31 	return down_write_trylock(&mm->mmap_lock) != 0;  in mmap_write_trylock()
34 static inline void mmap_write_unlock(struct mm_struct *mm)  in mmap_write_unlock()  argument
36 	up_write(&mm->mmap_lock);  in mmap_write_unlock()
39 static inline void mmap_write_downgrade(struct mm_struct *mm)  in mmap_write_downgrade()  argument
41 	downgrade_write(&mm->mmap_lock);  in mmap_write_downgrade()
44 static inline void mmap_read_lock(struct mm_struct *mm)  in mmap_read_lock()  argument
46 	down_read(&mm->mmap_lock);  in mmap_read_lock()
49 static inline int mmap_read_lock_killable(struct mm_struct *mm)  in mmap_read_lock_killable()  argument
51 	return down_read_killable(&mm->mmap_lock);  in mmap_read_lock_killable()
54 static inline bool mmap_read_trylock(struct mm_struct *mm)  in mmap_read_trylock()  argument
56 	return down_read_trylock(&mm->mmap_lock) != 0;  in mmap_read_trylock()
59 static inline void mmap_read_unlock(struct mm_struct *mm)  in mmap_read_unlock()  argument
61 	up_read(&mm->mmap_lock);  in mmap_read_unlock()
64 static inline bool mmap_read_trylock_non_owner(struct mm_struct *mm)  in mmap_read_trylock_non_owner()  argument
66 	if (down_read_trylock(&mm->mmap_lock)) {  in mmap_read_trylock_non_owner()
67 		rwsem_release(&mm->mmap_lock.dep_map, _RET_IP_);  in mmap_read_trylock_non_owner()
73 static inline void mmap_read_unlock_non_owner(struct mm_struct *mm)  in mmap_read_unlock_non_owner()  argument
75 	up_read_non_owner(&mm->mmap_lock);  in mmap_read_unlock_non_owner()
78 static inline void mmap_assert_locked(struct mm_struct *mm)  in mmap_assert_locked()  argument
80 	lockdep_assert_held(&mm->mmap_lock);  in mmap_assert_locked()
81 	VM_BUG_ON_MM(!rwsem_is_locked(&mm->mmap_lock), mm);  in mmap_assert_locked()
84 static inline void mmap_assert_write_locked(struct mm_struct *mm)  in mmap_assert_write_locked()  argument
86 	lockdep_assert_held_write(&mm->mmap_lock);  in mmap_assert_write_locked()
87 	VM_BUG_ON_MM(!rwsem_is_locked(&mm->mmap_lock), mm);  in mmap_assert_write_locked()
90 static inline int mmap_lock_is_contended(struct mm_struct *mm)  in mmap_lock_is_contended()  argument
92 	return rwsem_is_contended(&mm->mmap_lock);  in mmap_lock_is_contended()