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

[Herbert Xu]

On Fri, Nov 13, 2009 at 08:33:35PM -0500, Gregory Haskins wrote:
>
> Well, not with respect to the overall protocol, of course not.  But with
> respect to the buffer in question, it _has_ to be.  Or am I missing
> something?

sendfile() has never guaranteed that the kernel is finished with
the underlying pages when it returns.

Cheers,
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