Add support for updating Kernel Memory Limits (#256)

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

runtime/container_linux.go

@@ -62,6 +62,7 @@ func (c *container) UpdateResources(r *Resource) error {
 			Reservation: u64Ptr(uint64(r.MemoryReservation)),
 			Swap:        u64Ptr(uint64(r.MemorySwap)),
 			Kernel:      u64Ptr(uint64(r.KernelMemory)),
+			KernelTCP:   u64Ptr(uint64(r.KernelTCPMemory)),
 		},
 		CPU: &ocs.CPU{
 			Shares: u64Ptr(uint64(r.CPUShares)),

runtime/runtime.go

@@ -78,6 +78,7 @@ type Resource struct {
 	CpusetCpus        string
 	CpusetMems        string
 	KernelMemory      int64
+	KernelTCPMemory   int64
 	Memory            int64
 	MemoryReservation int64
 	MemorySwap        int64