const golang.org/x/sys/unix.CBitFieldMaskBit20

2 uses

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L1112: 	PerfBitExcludeGuest                  = CBitFieldMaskBit20
		ztypes_linux_amd64.go#L399: 	CBitFieldMaskBit20 = 0x100000