From: Dave Hansen
HMM consumes physical address space for its own use, even
though nothing is mapped or accessible there. It uses a
special resource description (IORES_DESC_DEVICE_PRIVATE_MEMORY)
to uniquely identify these areas.
When HMM consumes address space, it makes a best guess about
wh
Dave Hansen writes:
> On 1/25/19 1:18 PM, Bjorn Helgaas wrote:
>> On Thu, Jan 24, 2019 at 5:21 PM Dave Hansen
>> wrote:
>>> diff -puN kernel/resource.c~move-request_region-check kernel/resource.c
>>> --- a/kernel/resource.c~move-request_region-check 2019-01-24
>>> 15:13:14.453199539 -0800
On 1/25/19 1:18 PM, Bjorn Helgaas wrote:
> On Thu, Jan 24, 2019 at 5:21 PM Dave Hansen
> wrote:
>> diff -puN kernel/resource.c~move-request_region-check kernel/resource.c
>> --- a/kernel/resource.c~move-request_region-check 2019-01-24
>> 15:13:14.453199539 -0800
>> +++ b/kernel/resource.c
On Thu, Jan 24, 2019 at 5:21 PM Dave Hansen wrote:
>
>
> From: Dave Hansen
>
> HMM consumes physical address space for its own use, even
> though nothing is mapped or accessible there. It uses a
> special resource description (IORES_DESC_DEVICE_PRIVATE_MEMORY)
> to uniquely identify these areas.
On Thu, Jan 24, 2019 at 03:14:44PM -0800, Dave Hansen wrote:
>
> From: Dave Hansen
>
> HMM consumes physical address space for its own use, even
> though nothing is mapped or accessible there. It uses a
> special resource description (IORES_DESC_DEVICE_PRIVATE_MEMORY)
> to uniquely identify the
From: Dave Hansen
HMM consumes physical address space for its own use, even
though nothing is mapped or accessible there. It uses a
special resource description (IORES_DESC_DEVICE_PRIVATE_MEMORY)
to uniquely identify these areas.
When HMM consumes address space, it makes a best guess about
wh