runtime.heapArena.pageInUse (field)

6 uses

	runtime (current package)
		mgcmark_greenteagc.go#L274: 	pageIdx := ((p / pageSize) / 8) % uintptr(len(ha.pageInUse))
		mheap.go#L290: 	pageInUse [pagesPerArena / 8]uint8
		mheap.go#L760: 	pageIdx = ((p / pageSize) / 8) % uintptr(len(arena.pageInUse))
		mheap.go#L932: 		inUse := ha.pageInUse[arenaPage/8:]
		mheap.go#L1533: 		atomic.Or8(&arena.pageInUse[pageIdx], pageMask)
		mheap.go#L1750: 		atomic.And8(&arena.pageInUse[pageIdx], ^pageMask)