Re: [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag

Michael S. Tsirkin
2013-04-09T21:33:22Z

On Fri, Apr 05, 2013 at 04:17:36PM -0400, Michael R. Hines wrote:
> The userland part of the patch was missing (IBV_ACCESS_GIFT).
>
> I added flag that to /usr/include in addition to this patch and did
> a test RDMA migrate and it seems to work without any problems.
>
> I also removed the IBV_*_WRITE flags on the sender-side and
> activated cgroups with the "memory.memsw.limit_in_bytes" activated
> and the migration with RDMA also succeeded without any problems
> (both with *and* without GIFT also worked).
>
> Any additional tests you would like?
>
>
> - Michael

RDMA can't really work with swap so not sure how that's relevant.

Please check memory.usage_in_bytes - is it lower with
the GIFT flag? I think this is what we really care about.

--
MST