From: Andi Kleen <andi@firstfloor.org>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: netdev <netdev@vger.kernel.org>
Subject: Re: [RFC] truesize lies
Date: Sun, 09 Oct 2011 12:25:09 -0700 [thread overview]
Message-ID: <m2wrce0xyi.fsf@firstfloor.org> (raw)
In-Reply-To: <1318186948.5276.49.camel@edumazet-laptop> (Eric Dumazet's message of "Sun, 09 Oct 2011 21:02:28 +0200")
Eric Dumazet <eric.dumazet@gmail.com> writes:
> After some analysis, I found full sized tcp skbs (len=1440) had a 2864
> bytes truesize on my wifi adapter. Ouch...
It's probably more like 4096. slab rounds to powers of two.
> What should we do exactly ?
Give up? It's always been a lie.
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2011-10-09 19:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-09 19:02 [RFC] truesize lies Eric Dumazet
2011-10-09 19:25 ` Andi Kleen [this message]
2011-10-09 21:27 ` David Miller
2011-10-09 21:55 ` Eric Dumazet
2011-10-09 22:10 ` David Miller
2011-10-10 6:54 ` Eric Dumazet
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