Just got a situation inside VM where pretty new
kernel with memfd has been installed (and as result
__NR_memfd_create shipped with kernel headers
is provided as well) but libc was old having no
SYS_memfd_create defined. Thus we've got an error
because we use exactly SYS_ number for calls.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>