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21 lines
626 B
Diff
21 lines
626 B
Diff
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From: Felix Fietkau <nbd@nbd.name>
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Date: Wed, 14 Dec 2016 20:19:56 +0100
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Subject: [PATCH] mac80211: minstrel: make prob_ewma u16 instead of u32
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Saves about 1.2 KiB memory per station
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/net/mac80211/rc80211_minstrel.h
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+++ b/net/mac80211/rc80211_minstrel.h
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@@ -59,7 +59,7 @@ struct minstrel_rate_stats {
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/* statistis of packet delivery probability
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* prob_ewma - exponential weighted moving average of prob
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* prob_ewmsd - exp. weighted moving standard deviation of prob */
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- unsigned int prob_ewma;
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+ u16 prob_ewma;
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u16 prob_ewmv;
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/* maximum retry counts */
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