[Xen-devel] Re: SKB paged fragment lifecycle on receive

[David Miller <davem@xxxxxxxxxxxxx>]

From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Fri, 24 Jun 2011 13:11:59 -0700

> Are the pages still attached to the first skb, or are they transferred
> completely?

In this case they are transferred completely, the refcount isn't
modified at all.

There are cases where partial transfers occur, and in such cases
the refcount is modified.  Just swim around in net/core/skbuff.c
you'll find them :-)



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