Subject: Re: mac80211: STA info size
From: Johannes Berg <johannes@sipsolutions.net>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: Ron Rindjunsky <ron.rindjunsky@intel.com>,
	Felix Fietkau <nbd@openwrt.org>,
	linux-wireless <linux-wireless@vger.kernel.org>
In-Reply-To: <20080222143409.GA3067@tuxdriver.com> (sfid-20080222_150738_689668_5F34E6AD)
References: <1203675307.26341.29.camel@johannes.berg>
	 <20080222143409.GA3067@tuxdriver.com>
	 (sfid-20080222_150738_689668_5F34E6AD)
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Date: Fri, 22 Feb 2008 16:15:53 +0100
Message-Id: <1203693353.7082.28.camel@johannes.berg> (sfid-20080222_151624_206155_5F8CA384)
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> > STA info struct currently (after my reorg) takes 2432 bytes. Almost 200=
0
> > of those are in struct sta_ampdu_mlme which is most likely not used for
> > most STAs.
> >=20
> > Do you think that is too much memory per station? It'd probably be
> > possible to allocate the sta_ampdu_mlme dynamically when needed, no?
>=20
> My count was closer to 1.5k, but I may have missed something.

You need to get pahole :P

http://lwn.net/Articles/206805/

johannes

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