[Openib-windows] [PATCH] MT23108: Fix large buffer memoryregistration

Fabian Tillier ftillier at silverstorm.com
Thu May 11 08:06:52 PDT 2006


Hi Guy,

On 5/11/06, Guy Corem <guyc at voltaire.com> wrote:
>
> Thanks again.
>
> Question: I know that MDL wise there won't be a problem, since you're
> locking the same pages.
> But there won't be a problem somewhere else with the va displacement?

The seg_va, rdc, and seg_size are only used to pin the pages.  The
input va and size are used in the iobuf structure, as well as being
used to calculate the expected number of pages in the MR.  We don't
touch the original va and size, so everything should be fine.

- Fab



More information about the ofw mailing list