diff --git a/pkg/kubelet/kubelet.go b/pkg/kubelet/kubelet.go
index ae920762666..edda108ada2 100644
--- a/pkg/kubelet/kubelet.go
+++ b/pkg/kubelet/kubelet.go
@@ -2159,9 +2159,7 @@ func hasHostPortConflicts(pods []*api.Pod) bool {
 	return false
 }
 
-// hasInsufficientfFreeResources detects pods that exceeds node's resources.
-// TODO: Consider integrate disk space into this function, and returns a
-// suitable reason and message per resource type.
+// hasInsufficientfFreeResources detects pods that exceeds node's cpu and memory resource.
 func (kl *Kubelet) hasInsufficientfFreeResources(pods []*api.Pod) (bool, bool) {
 	info, err := kl.GetCachedMachineInfo()
 	if err != nil {
diff --git a/plugin/pkg/scheduler/algorithm/predicates/predicates.go b/plugin/pkg/scheduler/algorithm/predicates/predicates.go
index 539f2be5c4c..f12d33f8aff 100644
--- a/plugin/pkg/scheduler/algorithm/predicates/predicates.go
+++ b/plugin/pkg/scheduler/algorithm/predicates/predicates.go
@@ -164,8 +164,8 @@ func CheckPodsExceedingFreeResources(pods []*api.Pod, capacity api.ResourceList)
 	memoryRequested := int64(0)
 	for _, pod := range pods {
 		podRequest := getResourceRequest(pod)
-		fitsCPU := totalMilliCPU == 0 || (totalMilliCPU-milliCPURequested) >= podRequest.milliCPU
-		fitsMemory := totalMemory == 0 || (totalMemory-memoryRequested) >= podRequest.memory
+		fitsCPU := (totalMilliCPU - milliCPURequested) >= podRequest.milliCPU
+		fitsMemory := (totalMemory - memoryRequested) >= podRequest.memory
 		if !fitsCPU {
 			// the pod doesn't fit due to CPU request
 			notFittingCPU = append(notFittingCPU, pod)