centos man page for mutex_unlock

MUTEX_UNLOCK(9) 						Mutex API reference						   MUTEX_UNLOCK(9)

NAME
       mutex_unlock - release the mutex

SYNOPSIS
       void __sched mutex_unlock(struct mutex * lock);

ARGUMENTS
       lock
	   the mutex to be released

DESCRIPTION
       Unlock a mutex that has been locked by this task previously.

       This function must not be used in interrupt context. Unlocking of a not locked mutex is not allowed.

       This function is similar to (but not equivalent to) up.

AUTHOR
       Rusty Russell <rusty@rustcorp.com.au>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							   MUTEX_UNLOCK(9)