From: Eric Dumazet <eric.dumazet@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org, herbert@gondor.apana.org.au
Subject: Re: [PATCH net-next-2.6 v3] gro: __napi_gro_receive() optimizations
Date: Fri, 27 Aug 2010 06:43:44 +0200 [thread overview]
Message-ID: <1282884224.2501.33.camel@edumazet-laptop> (raw)
In-Reply-To: <20100826.213816.112615295.davem@davemloft.net>
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 guess I should comment this :)
next prev parent reply other threads:[~2010-08-27 4:43 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 [this message]
2010-08-27 5:01 ` David Miller
2010-08-27 5:01 ` [PATCH net-next-2.6 v4] " Eric Dumazet
2010-08-27 5:03 ` David Miller
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