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SubjectRe: [RFC PATCH] net: add dataref destructor to sk_buff
On Mon, Nov 16, 2009 at 09:22:57AM -0500, Gregory Haskins wrote:
>
> But really, this is somewhat orthogonal to the original problem, so let
> me see if we can bring it back on topic. Michael stated that this patch
> in question may be problematic because there are places in the stack
> that can get_page() without also maintaining a reference to the shinfo
> object. Evgeniy seems to say the opposite. I am not sure who is right,
> or if I misunderstood one or both of them. Any thoughts?

There are loads of places where this can happen. Start with
pskb_expand_head.

Cheers,
--
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