[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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

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 :-)

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.