From: Jeff Garzik <jeff@garzik.org>
To: yzy <yzy@clusterfs.com>
Cc: linux-kernel@vger.kernel.org, eeb@clusterfs.com, green@clusterfs.com
Subject: Re: Here is the tcp-zero-copy patch for kernel 2.6.12-6 .
Date: Wed, 05 Apr 2006 11:05:19 -0400 [thread overview]
Message-ID: <4433DCAF.5060503@garzik.org> (raw)
In-Reply-To: <44336CC0.6030206@clusterfs.com>
yzy wrote:
> Hello linux-kernel:
>
> I do some work on tcp-zero-copy for kernel 2.6.12-6 ( vanilla ) , Here
> is the patch . Please review and discussion it .
>
> The patch modify mainly these files below :
> (1) include/linux/skbuff.h : add a zccd_t struct , it include the
> zero-copy's callback function pointer and reference count.
> (2)include/net/tcp.h : add a new function tcp_sendpage_zccd( ) . It
> was used as send a memory page to TCP/IP stack.
> (3)net/core/dev.c (4)net/core/skbuff.c : process the initial ,refcount
> and release of zccd information.
> (5)net/ipv4/tcp.c : call the tcp_sendpage_zccd() function to send a
> memory page.
1) Why, we already have zero-copy?
2) Please send to netdev@vger.kernel.org, which is where the people who
maintain this code live.
Jeff
next prev parent reply other threads:[~2006-04-05 15:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-05 7:07 Here is the tcp-zero-copy patch for kernel 2.6.12-6 yzy
2006-04-05 15:05 ` Jeff Garzik [this message]
2006-04-05 16:47 ` Zach Brown
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