The test verifies that when there is active TCP connection, the
memory.stat.sock and memory.current values are close.
Signed-off-by: NMike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: NRoman Gushchin <guro@fb.com>
Signed-off-by: NShuah Khan (Samsung OSG) <shuah@kernel.org>