D19071.id.diff
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D19071.id.diff
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	Index: head/sys/netinet/cc/cc_cdg.c
	===================================================================
	--- head/sys/netinet/cc/cc_cdg.c
	+++ head/sys/netinet/cc/cc_cdg.c
	@@ -592,7 +592,11 @@
	qdiff_min = ((long)(cdg_data->minrtt_in_rtt -
	cdg_data->minrtt_in_prevrtt) << D_P_E );

	- calc_moving_average(cdg_data, qdiff_max, qdiff_min);
	+ if (cdg_data->sample_q_size == 0) {
	+ cdg_data->max_qtrend = qdiff_max;
	+ cdg_data->min_qtrend = qdiff_min;
	+ } else
	+ calc_moving_average(cdg_data, qdiff_max, qdiff_min);

	/* Probabilistic backoff with respect to gradient. */
	if (slowstart && qdiff_min > 0)