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From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: netdev@vger.kernel.org, herbert@gondor.apana.org.au
Subject: Re: [PATCH net-next-2.6 v3] gro: __napi_gro_receive() optimizations
Date: Thu, 26 Aug 2010 22:01:48 -0700 (PDT)	[thread overview]
Message-ID: <20100826.220148.183036083.davem@davemloft.net> (raw)
In-Reply-To: <1282884224.2501.33.camel@edumazet-laptop>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 27 Aug 2010 06:43:44 +0200

> Le jeudi 26 août 2010 à 21:38 -0700, David Miller a écrit :
>> From: Eric Dumazet <eric.dumazet@gmail.com>
>> Date: Fri, 27 Aug 2010 06:35:13 +0200
>> 
>> > +	fold |= *(unsigned long *)(a + 6) ^ *(unsigned long *)(b + 6);
>> 
>> Shouldn't these be "+ 8" instead of "+ 6"?
> 
> Not really, we want to compare 14 bytes, not 16
> 
> So we have (sizeof(long) + sizeof(long)) - intersection

I see.

> I guess I should comment this :)

Yes, that would help feeble minds like mine :-)  Repost with a comment
and I'll apply it, thanks!


  reply	other threads:[~2010-08-27  5:01 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-25 20:33 [PATCH net-next-2.6] gro: __napi_gro_receive() optimizations Eric Dumazet
2010-08-25 20:45 ` Stephen Hemminger
2010-08-25 20:54   ` Eric Dumazet
2010-08-25 20:57 ` David Miller
2010-08-25 21:15   ` Eric Dumazet
2010-08-26  7:51     ` David Miller
2010-08-26  9:03       ` Eric Dumazet
2010-08-27  4:35     ` [PATCH net-next-2.6 v3] " Eric Dumazet
2010-08-27  4:38       ` David Miller
2010-08-27  4:42         ` Herbert Xu
2010-08-27  5:02           ` David Miller
2010-08-27  4:43         ` Eric Dumazet
2010-08-27  5:01           ` David Miller [this message]
2010-08-27  5:01         ` [PATCH net-next-2.6 v4] " Eric Dumazet
2010-08-27  5:03           ` David Miller

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