hlist_refcount   8235 kernel/events/core.c 	int				hlist_refcount;
hlist_refcount   8545 kernel/events/core.c 	if (!--swhash->hlist_refcount)
hlist_refcount   8576 kernel/events/core.c 	swhash->hlist_refcount++;
hlist_refcount   12134 kernel/events/core.c 	if (swhash->hlist_refcount > 0 && !swevent_hlist_deref(swhash)) {