From 4cae4cd10d058eb4057e20cb72e82fe76ae739af Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 14 Dec 2016 20:47:01 +0100 Subject: [PATCH] mac80211: minstrel: make prob_ewma u16 instead of u32 Saves about 1.2 KiB memory per station Signed-off-by: Felix Fietkau Signed-off-by: Johannes Berg --- net/mac80211/rc80211_minstrel.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h index ea86e6784154..be6c3f35f48b 100644 --- a/net/mac80211/rc80211_minstrel.h +++ b/net/mac80211/rc80211_minstrel.h @@ -59,7 +59,7 @@ struct minstrel_rate_stats { /* statistis of packet delivery probability * prob_ewma - exponential weighted moving average of prob * prob_ewmsd - exp. weighted moving standard deviation of prob */ - unsigned int prob_ewma; + u16 prob_ewma; u16 prob_ewmv; /* maximum retry counts */