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 C
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 CPU page table entry and
> therefore the dev
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 CPU page table entry and
therefore the device driver can safely map system memory using larger
device MMU PTEs.
Th
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