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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L2641: 	PR_SHADOW_STACK_ENABLE                      = 0x1

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