Merge pull request #20063 from mqliang/imageGC-config

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cmd/kubelet/app/server.go

@@ -154,6 +154,7 @@ func UnsecuredKubeletConfig(s *options.KubeletServer) (*KubeletConfig, error) {
 	}
 
 	imageGCPolicy := kubelet.ImageGCPolicy{
+		MinAge:               s.ImageMinimumGCAge.Duration,
 		HighThresholdPercent: s.ImageGCHighThresholdPercent,
 		LowThresholdPercent:  s.ImageGCLowThresholdPercent,
 	}