type runtime.checkmarksMap

3 uses

	runtime (current package)
		mcheckmark.go#L27: type checkmarksMap [heapArenaBytes / sys.PtrSize / 8]uint8
		mcheckmark.go#L46: 			bitmap = (*checkmarksMap)(persistentalloc(unsafe.Sizeof(*bitmap), 0, &memstats.gcMiscSys))
		mheap.go#L281: 	checkmarks *checkmarksMap