static int kernel_keyring_support(void)
{
	static unsigned _checked = 0;

	if (!_checked) {
		_kernel_keyring_supported = keyring_check();
		_checked = 1;
	}

	return _kernel_keyring_supported;
}
static int kernel_keyring_support(void)
{
	static unsigned _checked = 0;

	if (!_checked) {
		_kernel_keyring_supported = keyring_check();
		_checked = 1;
	}

	return _kernel_keyring_supported;
}