const runtime.cleanupBlockSize

4 uses

	runtime (current package)
		mcleanup.go#L283: const cleanupBlockSize = 512
		mcleanup.go#L292: 	cleanups [(cleanupBlockSize - unsafe.Sizeof(cleanupBlockHeader{})) / unsafe.Sizeof(cleanupFn{})]cleanupFn
		mcleanup.go#L305: var cleanupBlockPtrMask [cleanupBlockSize / goarch.PtrSize / 8]byte
		mcleanup.go#L471: 			b = (*cleanupBlock)(persistentalloc(cleanupBlockSize, tagAlign, &memstats.gcMiscSys))