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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L1740: 	KEXEC_UPDATE_ELFCOREHDR                     = 0x4

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)