From: Felix Fietkau Date: Wed, 14 Dec 2016 20:09:14 +0100 Subject: [PATCH] mac80211: minstrel_ht: make att_hist and succ_hist u32 instead of u64 They are only used for debugging purposes and take a very long time to overflow. Visibly reduces the size of the per-sta rate control data. Signed-off-by: Felix Fietkau --- --- a/net/mac80211/rc80211_minstrel.h +++ b/net/mac80211/rc80211_minstrel.h @@ -59,7 +59,7 @@ struct minstrel_rate_stats { u16 success, last_success; /* total attempts/success counters */ - u64 att_hist, succ_hist; + u32 att_hist, succ_hist; /* statistis of packet delivery probability * cur_prob - current prob within last update intervall