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From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 14 Dec 2016 20:19:56 +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 <nbd@nbd.name>
---
--- 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 */
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