memory manager: add memory manager flag under kubelet options and kubelet config

The commit also includes generated files after `make generated_files`.

Signed-off-by: Byonggon Chun <bg.chun@samsung.com>

pkg/kubelet/apis/config/types.go

@@ -224,6 +224,9 @@ type KubeletConfiguration struct {
 	// CPU Manager reconciliation period.
 	// Requires the CPUManager feature gate to be enabled.
 	CPUManagerReconcilePeriod metav1.Duration
+	// MemoryManagerPolicy is the name of the policy to use.
+	// Requires the MemoryManager feature gate to be enabled.
+	MemoryManagerPolicy string
 	// TopologyManagerPolicy is the name of the policy to use.
 	// Policies other than "none" require the TopologyManager feature gate to be enabled.
 	TopologyManagerPolicy string
@@ -382,6 +385,12 @@ type KubeletConfiguration struct {
 	// Defaults to 10 seconds, requires GracefulNodeShutdown feature gate to be enabled.
 	// For example, if ShutdownGracePeriod=30s, and ShutdownGracePeriodCriticalPods=10s, during a node shutdown the first 20 seconds would be reserved for gracefully terminating normal pods, and the last 10 seconds would be reserved for terminating critical pods.
 	ShutdownGracePeriodCriticalPods metav1.Duration
+	// A comma separated list of bracket-enclosed configurations for memory manager.
+	// Each configuration describes pre-reserved memory for the particular memory type on a specific NUMA node.
+	// The Memory Manager validates whether total amount of pre-reserved memory is identical to reserved-memory by the Node Allocatable feature.
+	// The format is {numa-node=integer, memory-type=string, limit=string}
+	// (e.g. {numa-node=0, type=memory, limit=1Gi}, {numa-node=1, type=memory, limit=1Gi})
+	ReservedMemory []map[string]string
 }
 
 // KubeletAuthorizationMode denotes the authorization mode for the kubelet

pkg/kubelet/apis/config/v1beta1/zz_generated.conversion.go

@@ -274,6 +274,7 @@ func autoConvert_v1beta1_KubeletConfiguration_To_config_KubeletConfiguration(in
 	out.CgroupDriver = in.CgroupDriver
 	out.CPUManagerPolicy = in.CPUManagerPolicy
 	out.CPUManagerReconcilePeriod = in.CPUManagerReconcilePeriod
+	out.MemoryManagerPolicy = in.MemoryManagerPolicy
 	out.TopologyManagerPolicy = in.TopologyManagerPolicy
 	out.TopologyManagerScope = in.TopologyManagerScope
 	out.QOSReserved = *(*map[string]string)(unsafe.Pointer(&in.QOSReserved))
@@ -352,6 +353,7 @@ func autoConvert_v1beta1_KubeletConfiguration_To_config_KubeletConfiguration(in
 	}
 	out.ShutdownGracePeriod = in.ShutdownGracePeriod
 	out.ShutdownGracePeriodCriticalPods = in.ShutdownGracePeriodCriticalPods
+	out.ReservedMemory = *(*[]map[string]string)(unsafe.Pointer(&in.ReservedMemory))
 	return nil
 }
 
@@ -429,6 +431,7 @@ func autoConvert_config_KubeletConfiguration_To_v1beta1_KubeletConfiguration(in
 	out.CgroupDriver = in.CgroupDriver
 	out.CPUManagerPolicy = in.CPUManagerPolicy
 	out.CPUManagerReconcilePeriod = in.CPUManagerReconcilePeriod
+	out.MemoryManagerPolicy = in.MemoryManagerPolicy
 	out.TopologyManagerPolicy = in.TopologyManagerPolicy
 	out.TopologyManagerScope = in.TopologyManagerScope
 	out.QOSReserved = *(*map[string]string)(unsafe.Pointer(&in.QOSReserved))
@@ -505,6 +508,7 @@ func autoConvert_config_KubeletConfiguration_To_v1beta1_KubeletConfiguration(in
 	}
 	out.ShutdownGracePeriod = in.ShutdownGracePeriod
 	out.ShutdownGracePeriodCriticalPods = in.ShutdownGracePeriodCriticalPods
+	out.ReservedMemory = *(*[]map[string]string)(unsafe.Pointer(&in.ReservedMemory))
 	return nil
 }
 

pkg/kubelet/apis/config/zz_generated.deepcopy.go

@@ -273,6 +273,19 @@ func (in *KubeletConfiguration) DeepCopyInto(out *KubeletConfiguration) {
 	out.Logging = in.Logging
 	out.ShutdownGracePeriod = in.ShutdownGracePeriod
 	out.ShutdownGracePeriodCriticalPods = in.ShutdownGracePeriodCriticalPods
+	if in.ReservedMemory != nil {
+		in, out := &in.ReservedMemory, &out.ReservedMemory
+		*out = make([]map[string]string, len(*in))
+		for i := range *in {
+			if (*in)[i] != nil {
+				in, out := &(*in)[i], &(*out)[i]
+				*out = make(map[string]string, len(*in))
+				for key, val := range *in {
+					(*out)[key] = val
+				}
+			}
+		}
+	}
 	return
 }