From: "David S. Miller" <davem@redhat.com>
To: Andi Kleen <ak@muc.de>
Cc: netdev@oss.sgi.com, mostrows@styx.uwaterloo.ca
Subject: Re: [PATCH] Increase snd/rcv buffers in pppoe
Date: Sun, 22 Feb 2004 23:26:01 -0800 [thread overview]
Message-ID: <20040222232601.481b8c57.davem@redhat.com> (raw)
In-Reply-To: <20040222234750.GA78924@colin2.muc.de>
On 23 Feb 2004 00:47:50 +0100
Andi Kleen <ak@muc.de> wrote:
> I noticed that a 64bit kernel only downloads half as fast over a PPPoE DSL
> connection than a 32bit kernel on the same hardware. The reason seems
> to be that PPPoE uses the default 64K snd/rcv buffers at socket creation.
> The bigger sk_buff header size on the 64bit kernel pushed
> the buffer into being too small and preventing good throughput.
I have no problem with this, but hey while we're at it why not do the same
for the core defaults instead? I see no real harm in this at all as it's
not a pppoe specific issue.
What say you Andi?
next prev parent reply other threads:[~2004-02-23 7:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-22 23:47 [PATCH] Increase snd/rcv buffers in pppoe Andi Kleen
2004-02-23 7:26 ` David S. Miller [this message]
2004-02-23 10:53 ` Andi Kleen
2004-02-23 11:01 ` YOSHIFUJI Hideaki / 吉藤英明
2004-02-23 11:16 ` Andi Kleen
2004-02-23 11:38 ` YOSHIFUJI Hideaki / 吉藤英明
2004-02-23 18:26 ` David S. Miller
2004-02-23 20:12 ` Andi Kleen
2004-02-23 21:32 ` David S. Miller
2004-02-26 19:49 ` Andi Kleen
2004-02-26 20:42 ` David S. Miller
2004-02-26 20:52 ` Andi Kleen
2004-02-26 22:03 ` Andi Kleen
2004-02-26 22:22 ` David S. Miller
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