On Thu, Aug 01, 2019 at 11:19:06AM -0300, Jason Gunthorpe wrote: > Sadly usnic does not use the core rdma umem abstraction but open codes > an old version of it. > > In this version each sge in the sgl is exactly one page. See > usnic_uiom_get_pages - so I think this loop is not a bug?
Actually, yes - I think we are fine given that we pass in the number of elements. Thus merging by iommus won't affect the list.
