var runtime.cleanupBlockPtrMask

4 uses

	runtime (current package)
		mcleanup.go#L305: var cleanupBlockPtrMask [cleanupBlockSize / goarch.PtrSize / 8]byte
		mgc.go#L192: 	for i := range cleanupBlockPtrMask {
		mgc.go#L193: 		cleanupBlockPtrMask[i] = 0xff
		mgcmark.go#L254: 			scanblock(uintptr(unsafe.Pointer(&cb.cleanups[0])), n*unsafe.Sizeof(cleanupFn{}), &cleanupBlockPtrMask[0], gcw, nil)

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)
Golds is a Go 101 project developed by Tapir Liu.
PR and bug reports are welcome and can be submitted to the issue list.
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