netdev - Re: [PATCH 6/6] [TCP]: Reorganize struct tcp_sock to save 16 bytes on 64-bit arch

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Message-ID: <20080131203340.GG11940@ghostprotocols.net>
Date:	Thu, 31 Jan 2008 18:33:40 -0200
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Eric Dumazet <dada1@...mosbay.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	dccp@...r.kernel.org
Subject: Re: [PATCH 6/6] [TCP]: Reorganize struct tcp_sock to save 16 bytes
	on 64-bit arch

Em Thu, Jan 31, 2008 at 06:17:20PM -0200, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Jan 31, 2008 at 08:57:53PM +0100, Eric Dumazet escreveu:
> > Hum... retrans_out should sit close to packets_out (or lost_out/sacked_out 
> > ???), please.
> >
> > 'struct tcp_sock' is very large on 64 bits, so I would prefer to make sure 
> > most paths dont need to touch all 24 cache lines (or 25 cache lines).
> 
> That is perfectly fine, I'll replace my patch with another, that states
> this beyond doubt.

David, I just removed this patch from my net-2.6 tree, if you are ok
with the others, please pull.

- Arnaldo
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