On 11/17/2016 06:28 AM, Olaf Hering wrote:
> On Wed, Nov 16, Boris Ostrovsky wrote:
>
>> Unfortunately I haven't been able to trigger NUMA balancing
>> so while I tested this in general I am not sure I actually
>> exercised the code path.
> Thanks for the patch!
>
> Would be nice to actually test t
On 11/17/2016 11:01 AM, Olaf Hering wrote:
> On Thu, Nov 17, Boris Ostrovsky wrote:
>
>> On 11/17/2016 06:28 AM, Olaf Hering wrote:
>>> ERROR: "__mpol_dup" [drivers/xen/xen-gntdev.ko] undefined!
>>> ERROR: "get_task_policy" [drivers/xen/xen-gntdev.ko] undefined!
>> I just built 4.4.11 with this pat
On Thu, Nov 17, Boris Ostrovsky wrote:
> On 11/17/2016 06:28 AM, Olaf Hering wrote:
> > ERROR: "__mpol_dup" [drivers/xen/xen-gntdev.ko] undefined!
> > ERROR: "get_task_policy" [drivers/xen/xen-gntdev.ko] undefined!
> I just built 4.4.11 with this patch applied and haven't had any problems.
Are th
On Wed, Nov 16, Boris Ostrovsky wrote:
> Unfortunately I haven't been able to trigger NUMA balancing
> so while I tested this in general I am not sure I actually
> exercised the code path.
Thanks for the patch!
Would be nice to actually test the code path which caused the initial
addition of VM_
Commit 9c17d96500f7 ("xen/gntdev: Grant maps should not be subject to
NUMA balancing") set VM_IO flag to prevent grant maps from being
subjected to NUMA balancing.
It was discovered recently that this flag causes get_user_pages() to
always fail with -EFAULT.
check_vma_flags
__get_user_pages
__get
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