Re: [RFC PATCH] net: add dataref destructor to sk_buff

[Herbert Xu]

On Fri, Nov 13, 2009 at 06:45:03PM -0800, Stephen Hemminger wrote:
> 
> No all the interfaces require a copy. Actually, sendfile makes no guarantee about synchronization

Actually sendfile does not require a copy.

> because the receiver of said file could be arbitrarily slow, and any attempt at locking down
> current contents of file is a denial of service exposure.

Agreed.

Cheers,
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