Return-path: Received: from crystal.sipsolutions.net ([195.210.38.204]:50369 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759575AbYBVNzK (ORCPT ); Fri, 22 Feb 2008 08:55:10 -0500 Subject: mac80211: STA info size From: Johannes Berg To: Ron Rindjunsky Cc: Felix Fietkau , linux-wireless Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-Wf+TC6sFkEE2JURa/Vy6" Date: Fri, 22 Feb 2008 11:15:07 +0100 Message-Id: <1203675307.26341.29.camel@johannes.berg> (sfid-20080222_135522_503776_EAFA1171) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-Wf+TC6sFkEE2JURa/Vy6 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Hi, I was just reorganising struct sta_info to clarify the locking (will send another mail about that) and noticed that due to the HT stuff, each STA info struct currently (after my reorg) takes 2432 bytes. Almost 2000 of those are in struct sta_ampdu_mlme which is most likely not used for most STAs. 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? johannes --=-Wf+TC6sFkEE2JURa/Vy6 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIVAwUAR76gqqVg1VMiehFYAQLPrRAAlREZMKFv61uQec5Of3LN8nZL3EvmgBa5 7u1mIiLXvgO6NyVpK7o0jLZMTtHN4mKjeGuzu6W1G+4JVZsNO5S+pZtuowfprSn8 /mLXje2dJHc5iB32mB4LkImukXl0kjX/47wpMkGbWS/qHt6Fq/kwUbcAQcs4aGYF r0I1ml7h7Mn9RZc4OiuTRgH7EbN2gbUqMbE4/2WOgBTs+DrKiivPp73ig6HX9Fjg nE4fEl4OJgl6ZoB6Z4OlZnAadH4q9+jKm1edVh/lafFRSLJGkDjQAS3M5DPZudHd yYRXtZv0QVkb/FN81amVZME5NiY7ovY+ReE2A4J9YXQOt7VUx94jrkvUhHXDm/qZ pkn7FPp7RKfBsL5dWs5+bJaJsCKOpgnG6bWxHWvhseVtYeJy8QxvRSjcIOqehpGA yVXGhRvyngXY9lgGkJD6mKPWDh5I7ZlYXDUmaFan/gUhvNIq5yN6Mm0jmYEv+GPD hf7xk+q2DT8viXpLZRP1/BUtvagfCdjUWf6Qs7ENoQka0te/YTQMLFQA5e7h7yln fWlCvss6XXxIdrePqRLrFWGDTpKyMOhvS9MacRWBuJCNmvRXzb+qT2kfyRNCgk6O 5ctFPchRT1m1S1aM8GxsmJU3/yZyEvAnUoNY2u/chQZU+Cubh2W6ShW3UJsJ4m4j jT9VB9v1qQI= =Rpc2 -----END PGP SIGNATURE----- --=-Wf+TC6sFkEE2JURa/Vy6--