On 7/10/20 12:39 PM, Jason Gunthorpe wrote:
On Mon, Jul 06, 2020 at 03:23:45PM -0700, Ralph Campbell wrote:
Currently migrate_vma_setup() calls mmu_notifier_invalidate_range_start()
which flushes all device private page mappings whether or not a page
is being migrated to/from device private
On 7/10/20 12:27 PM, Jason Gunthorpe wrote:
On Wed, Jul 01, 2020 at 03:53:47PM -0700, Ralph Campbell wrote:
The goal for this series is to introduce the hmm_pfn_to_map_order()
function. This allows a device driver to know that a given 4K PFN is
actually mapped by the CPU using a larger sized
