From: Eric Dumazet <eric.dumazet@gmail.com>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: Kieran Mansley <kmansley@solarflare.com>, netdev@vger.kernel.org
Subject: Re: TCPBacklogDrops during aggressive bursts of traffic
Date: Tue, 15 May 2012 19:23:59 +0200 [thread overview]
Message-ID: <1337102639.8512.1117.camel@edumazet-glaptop> (raw)
In-Reply-To: <1337101280.8512.1108.camel@edumazet-glaptop>
On Tue, 2012-05-15 at 19:01 +0200, Eric Dumazet wrote:
>
> napi_get_frags() could probably updated in net-next to use the first
> frag as skb->head to save 512 bytes per skb.
By the way GRO_MAX_HEAD definition is way too big, napi_get_frags()
allocates fat skbs (1280 bytes of overhead instead of 768 bytes)
This should be enough :
#define GRO_MAX_HEAD 128
next prev parent reply other threads:[~2012-05-15 17:24 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 14:38 TCPBacklogDrops during aggressive bursts of traffic Kieran Mansley
2012-05-15 14:56 ` Eric Dumazet
2012-05-15 15:00 ` Eric Dumazet
2012-05-15 16:29 ` Kieran Mansley
2012-05-15 16:34 ` Eric Dumazet
2012-05-15 16:47 ` Ben Hutchings
2012-05-15 17:01 ` Eric Dumazet
2012-05-15 17:23 ` Eric Dumazet [this message]
2012-05-17 16:31 ` Kieran Mansley
2012-05-17 16:37 ` Eric Dumazet
2012-05-18 15:45 ` Kieran Mansley
2012-05-18 15:49 ` Eric Dumazet
2012-05-18 15:53 ` Kieran Mansley
2012-05-18 18:40 ` Eric Dumazet
2012-05-22 8:20 ` Kieran Mansley
2012-05-22 9:25 ` Eric Dumazet
2012-05-22 9:30 ` Eric Dumazet
2012-05-22 15:09 ` Kieran Mansley
2012-05-22 16:12 ` Eric Dumazet
2012-05-22 16:32 ` Kieran Mansley
2012-05-22 16:45 ` Eric Dumazet
2012-05-22 20:54 ` Eric Dumazet
2012-05-23 9:44 ` Eric Dumazet
2012-05-23 12:09 ` Eric Dumazet
2012-05-23 16:04 ` Alexander Duyck
2012-05-23 16:12 ` Eric Dumazet
2012-05-23 16:39 ` Eric Dumazet
2012-05-23 17:10 ` Alexander Duyck
2012-05-23 21:19 ` Alexander Duyck
2012-05-23 21:37 ` Eric Dumazet
2012-05-23 22:03 ` Alexander Duyck
2012-05-23 16:58 ` Alexander Duyck
2012-05-23 17:24 ` Eric Dumazet
2012-05-23 17:57 ` Alexander Duyck
2012-05-23 17:34 ` David Miller
2012-05-23 17:46 ` Eric Dumazet
2012-05-23 17:57 ` David Miller
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