// Safe to call since the world is stopped.
			mheap_.spanalloc.free(unsafe.Pointer(pp.mspancache.buf[i]))
		}
		pp.mspancache.len = 0
		lock(&mheap_.lock)
		pp.pcache.flush(&mheap_.pages)
		unlock(&mheap_.lock)
	})
	freemcache(pp.mcache)
	pp.mcache = nil
	gfpurge(pp)
	if raceenabled {
		if pp.timers.raceCtx != 0 {
			// The race detector code uses a callback to fetch