On 11.02.22 00:41, Alistair Popple wrote:
> On Thursday, 10 February 2022 10:47:35 PM AEDT David Hildenbrand wrote:
>> On 10.02.22 12:39, Alistair Popple wrote:
>>> On Thursday, 10 February 2022 9:53:38 PM AEDT David Hildenbrand wrote:
On 07.02.22 05:26, Alistair Popple wrote:
> Currently
John Hubbard writes:
> On 2/11/22 18:51, Alistair Popple wrote:
[…]
>>> See below…
>>>
+ }
+
+ pages[i] = migrate_device_page(head, gup_flags);
>> migrate_device_page() will return a new page that has been correctly pinned
>> with gup_flags by
On 2/11/22 18:51, Alistair Popple wrote:
...
@@ -1888,15 +1942,40 @@ static long check_and_migrate_movable_pages(unsigned
long nr_pages,
continue;
prev_head = head;
/*
-* If we get a movable page, since we are going to be
On Saturday, 12 February 2022 1:10:29 PM AEDT John Hubbard wrote:
> On 2/6/22 20:26, Alistair Popple wrote:
> > Currently any attempts to pin a device coherent page will fail. This is
> > because device coherent pages need to be managed by a device driver, and
> > pinning them would prevent a
On 2/6/22 20:26, Alistair Popple wrote:
Currently any attempts to pin a device coherent page will fail. This is
because device coherent pages need to be managed by a device driver, and
pinning them would prevent a driver from migrating them off the device.
However this is no reason to fail
On Thursday, 10 February 2022 10:47:35 PM AEDT David Hildenbrand wrote:
> On 10.02.22 12:39, Alistair Popple wrote:
> > On Thursday, 10 February 2022 9:53:38 PM AEDT David Hildenbrand wrote:
> >> On 07.02.22 05:26, Alistair Popple wrote:
> >>> Currently any attempts to pin a device coherent page
On 10.02.22 12:39, Alistair Popple wrote:
> On Thursday, 10 February 2022 9:53:38 PM AEDT David Hildenbrand wrote:
>> On 07.02.22 05:26, Alistair Popple wrote:
>>> Currently any attempts to pin a device coherent page will fail. This is
>>> because device coherent pages need to be managed by a
On Thursday, 10 February 2022 9:53:38 PM AEDT David Hildenbrand wrote:
> On 07.02.22 05:26, Alistair Popple wrote:
> > Currently any attempts to pin a device coherent page will fail. This is
> > because device coherent pages need to be managed by a device driver, and
> > pinning them would prevent
On 07.02.22 05:26, Alistair Popple wrote:
> Currently any attempts to pin a device coherent page will fail. This is
> because device coherent pages need to be managed by a device driver, and
> pinning them would prevent a driver from migrating them off the device.
>
> However this is no reason to
Currently any attempts to pin a device coherent page will fail. This is
because device coherent pages need to be managed by a device driver, and
pinning them would prevent a driver from migrating them off the device.
However this is no reason to fail pinning of these pages. These are
coherent and
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