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Message-Id: <20070222.032218.59660260.davem@davemloft.net>
Date: Thu, 22 Feb 2007 03:22:18 -0800 (PST)
From: David Miller <davem@...emloft.net>
To: dada1@...mosbay.com
Cc: netdev@...r.kernel.org
Subject: Re: [PATCH, take 2] TCP : keep copied_seq, rcv_wup and rcv_next
together
From: Eric Dumazet <dada1@...mosbay.com>
Date: Thu, 22 Feb 2007 12:11:50 +0100
> I noticed in oprofile study a cache miss in tcp_rcv_established() to read
> copied_seq.
...
> As you suggested, I changed tcp_create_openreq_child() so that these fields
> are changed together, to avoid adding a new store buffer stall.
>
> Patch is 64bit friendly (no new hole because of alignment constraints)
>
> Signed-off-by: Eric Dumazet <dada1@...mosbay.com>
Looks great, applied to my tcp-2.6 GIT tree, thanks a lot!
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