On Wed, Feb 10, 2021 at 02:40:10PM +1100, Alistair Popple wrote:
> On Wednesday, 10 February 2021 12:39:32 AM AEDT Jason Gunthorpe wrote:
> > On Tue, Feb 09, 2021 at 12:07:14PM +1100, Alistair Popple wrote:
> > > Device private pages are used to represent device memory that is not
> > > directly ac
On Wednesday, 10 February 2021 12:39:32 AM AEDT Jason Gunthorpe wrote:
> On Tue, Feb 09, 2021 at 12:07:14PM +1100, Alistair Popple wrote:
> > Device private pages are used to represent device memory that is not
> > directly accessible from the CPU. Extra references to a device private
> > page are
On Tue, Feb 09, 2021 at 12:07:14PM +1100, Alistair Popple wrote:
> Device private pages are used to represent device memory that is not
> directly accessible from the CPU. Extra references to a device private
> page are only used to ensure the struct page itself remains valid whilst
> waiting for m
Device private pages are used to represent device memory that is not
directly accessible from the CPU. Extra references to a device private
page are only used to ensure the struct page itself remains valid whilst
waiting for migration entries. Therefore extra references should not
prevent device pr
