On Wed, Mar 20, 2013 at 04:56:01PM -0400, Michael R. Hines wrote: > > Forgive me, vmsplice system call? Or some other interface? > > I'm not following...... > > On 03/20/2013 04:46 PM, Michael S. Tsirkin wrote: > >On Wed, Mar 20, 2013 at 04:39:00PM -0400, Michael R. Hines wrote: > >>Unmapped virtual addresses cannot be pinned for RDMA (the hardware > >>will break), > >>but there's no way to know they are unmapped without checking > >>another data structure. > >So for RDMA, when you try to register them, this will fault them in.
I'm just saying get_user_pages brings pages back in from swap.
