Re: copy_one_pte()

[Matt Keenan]

Christoph Hellwig wrote:
> On Tue, Mar 13, 2007 at 08:15:25PM +0100, Zoltan Menyhart wrote:
>   
> > I had a look at copy_one_pte().
> > I cannot see any ioproc_update_page() call, not even for the COW pages.
> > Is it intentional?
> >     
>
> There is no such thing as ioproc_update_page in any mainline tree.
> You must be looking at some vendor tree with braindead patches applied.
>
>   
It looks like this function exists as a part of patches to support 
Quadrics NICs / RDMA (HPC platforms).  The patches are there so the 
driver doesn't need to pin pages, it can be informed of page updates 
directly.  A patch was submitted to l-k sometime in 2005.

Matt
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