Re: [PATCH 01/75] net: add APIs for manipulating skb page fragments.

On Fri, Aug 19, 2011 at 02:26:33PM +0100, Ian Campbell wrote:

The primary aim is to add skb_frag_(ref|unref) in order to remove the use of
bare get/put_page on SKB pages fragments and to isolate users from subsequent
changes to the skb_frag_t data structure.

Also included are helper APIs for passing a paged fragment to kmap and
dma_map_page since I was seeing the same pattern a lot. A helper for
pci_map_page is ommitted due to Michał Mirosław's recommendation that users
should transition to pci_map_page instead.

You mean "transition to dma_map_page instead." ?