diff --git a/pkg/kubelet/cm/cpumanager/state/state.go b/pkg/kubelet/cm/cpumanager/state/state.go
index 96efbcfa472..352fddfb9cd 100644
--- a/pkg/kubelet/cm/cpumanager/state/state.go
+++ b/pkg/kubelet/cm/cpumanager/state/state.go
@@ -25,9 +25,9 @@ type ContainerCPUAssignments map[string]map[string]cpuset.CPUSet
 
 // Clone returns a copy of ContainerCPUAssignments
 func (as ContainerCPUAssignments) Clone() ContainerCPUAssignments {
-	ret := make(ContainerCPUAssignments)
+	ret := make(ContainerCPUAssignments, len(as))
 	for pod := range as {
-		ret[pod] = make(map[string]cpuset.CPUSet)
+		ret[pod] = make(map[string]cpuset.CPUSet, len(as[pod]))
 		for container, cset := range as[pod] {
 			ret[pod][container] = cset
 		}
diff --git a/pkg/kubelet/cm/cpumanager/state/state_checkpoint.go b/pkg/kubelet/cm/cpumanager/state/state_checkpoint.go
index e6b8fd4718d..f6acc7c42ce 100644
--- a/pkg/kubelet/cm/cpumanager/state/state_checkpoint.go
+++ b/pkg/kubelet/cm/cpumanager/state/state_checkpoint.go
@@ -121,7 +121,7 @@ func (sc *stateCheckpoint) restoreState() error {
 	var tmpContainerCPUSet cpuset.CPUSet
 	tmpAssignments := ContainerCPUAssignments{}
 	for pod := range checkpointV2.Entries {
-		tmpAssignments[pod] = make(map[string]cpuset.CPUSet)
+		tmpAssignments[pod] = make(map[string]cpuset.CPUSet, len(checkpointV2.Entries[pod]))
 		for container, cpuString := range checkpointV2.Entries[pod] {
 			if tmpContainerCPUSet, err = cpuset.Parse(cpuString); err != nil {
 				return fmt.Errorf("could not parse cpuset %q for container %q in pod %q: %v", cpuString, container, pod, err)
@@ -147,7 +147,7 @@ func (sc *stateCheckpoint) storeState() error {
 
 	assignments := sc.cache.GetCPUAssignments()
 	for pod := range assignments {
-		checkpoint.Entries[pod] = make(map[string]string)
+		checkpoint.Entries[pod] = make(map[string]string, len(assignments[pod]))
 		for container, cset := range assignments[pod] {
 			checkpoint.Entries[pod][container] = cset.String()
 		}