From: Felix Fietkau <nbd@nbd.name>
To: linux-wireless@vger.kernel.org
Cc: johannes@sipsolutions.net, thomas.huehn@evernet-eg.de
Subject: [PATCH 08/10] mac80211: minstrel: make prob_ewma u16 instead of u32
Date: Wed, 14 Dec 2016 20:47:01 +0100 [thread overview]
Message-ID: <20161214194703.33429-8-nbd@nbd.name> (raw)
In-Reply-To: <20161214194703.33429-1-nbd@nbd.name>
Saves about 1.2 KiB memory per station
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
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 ea86e67..be6c3f3 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 */
--
2.10.1
next prev parent reply other threads:[~2016-12-14 19:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-14 19:46 [PATCH 01/10] mac80211: minstrel_ht: move supported bitrate mask out of group data Felix Fietkau
2016-12-14 19:46 ` [PATCH 02/10] mac80211: minstrel_ht: move short preamble check out of get_rate Felix Fietkau
2016-12-14 19:46 ` [PATCH 03/10] mac80211: minstrel_ht: make att_hist and succ_hist u32 instead of u64 Felix Fietkau
2016-12-14 19:46 ` [PATCH 04/10] mac80211: check for MCS in ieee80211_duration before fetching chanctx Felix Fietkau
2016-12-14 19:46 ` [PATCH 05/10] mac80211: minstrel: remove cur_prob from debugfs Felix Fietkau
2016-12-14 19:46 ` [PATCH 06/10] mac80211: minstrel: reduce MINSTREL_SCALE Felix Fietkau
2016-12-14 19:47 ` [PATCH 07/10] mac80211: minstrel: store probability variance instead of standard deviation Felix Fietkau
2016-12-14 19:47 ` Felix Fietkau [this message]
2016-12-14 19:47 ` [PATCH 09/10] mac80211: minstrel_ht: remove obsolete #if for >= 3 streams Felix Fietkau
2016-12-14 19:47 ` [PATCH 10/10] mac80211: minstrel: avoid port control frames for sampling Felix Fietkau
2016-12-15 10:08 ` [PATCH 01/10] mac80211: minstrel_ht: move supported bitrate mask out of group data Johannes Berg
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