var runtime.pollcache

5 uses

	runtime (current package)
		netpoll.go#L206: 	pollcache      pollCache
		netpoll.go#L221: 		lockInit(&pollcache.lock, lockRankPollCache)
		netpoll.go#L245: 	pd := pollcache.alloc()
		netpoll.go#L274: 		pollcache.free(pd)
		netpoll.go#L294: 	pollcache.free(pd)