"strconv"
	"strings"
	"sync"
	"syscall"
	"testing"
	"time"
	"unicode"
)

var overcommit struct {
	sync.Once
	value int
	err   error
}

// requireOvercommit skips t if the kernel does not allow overcommit.
func requireOvercommit(t *testing.T) {
	t.Helper()

	overcommit.Once.Do(func() {
		var out []byte
		out, overcommit.err = os.ReadFile("/proc/sys/vm/overcommit_memory")
		if overcommit.err != nil {