Function vm_object_busied

freebsd/vm/vm_object.h:359–364

void vm_object_busy_wait(vm_object_t object, const char *wmesg);

static inline bool
vm_object_busied(vm_object_t object)
{

	return (blockcount_read(&object->busy) != 0);
}
#define	VM_OBJECT_ASSERT_BUSY(object)	MPASS(vm_object_busied((object)))

void umtx_shm_object_init(vm_object_t object);