FreeBSD/sys/ddb/db_break.c
/*
 *	We want ddb to be usable before most of the kernel has been
 *	initialized.  In particular, current_thread() or kernel_map
 *	(or both) may be null.
 */
We want ddb to be usable before most of the kernel has been
initialized.  In particular, current_thread() or kernel_map
(or both) may be null.
We want ddb to be usable before most of the kernel has been initialized . In particular current_thread () or kernel_map ( or both ) may be null .
bool
db_map_equal(vm_map_t map1, vm_map_t map2)
{
	return ((map1 == map2) ||
		((map1 == NULL) && (map2 == kernel_map)) ||
		((map1 == kernel_map) && (map2 == NULL)));
}
bool db_map_equal ( vm_map_t map1 , vm_map_t map2 ) { return ( ( map1 == map2 ) || ( ( map1 == NULL ) && ( map2 == kernel_map ) ) || ( ( map1 == kernel_map ) && ( map2 == NULL ) ) ) ; }
We want ddb to be usable before most of the kernel has been
      initialized.
We want ddb to be usable before most of the kernel has been initialized .