On Thursday, 1 April 2021 3:56:05 PM AEDT Muchun Song wrote:
> External email: Use caution opening links or attachments
>
>
> On Fri, Mar 26, 2021 at 9:22 AM Alistair Popple wrote:
> >
> > request_free_mem_region() is used to find an empty range of physical
> > addresses for hotplugging
On Fri, Mar 26, 2021 at 9:22 AM Alistair Popple wrote:
>
> request_free_mem_region() is used to find an empty range of physical
> addresses for hotplugging ZONE_DEVICE memory. It does this by iterating
> over the range of possible addresses using region_intersects() to see if
> the range is free.
On 31.03.21 08:19, Alistair Popple wrote:
On Tuesday, 30 March 2021 8:13:32 PM AEDT David Hildenbrand wrote:
External email: Use caution opening links or attachments
On 29.03.21 03:37, Alistair Popple wrote:
On Friday, 26 March 2021 7:57:51 PM AEDT David Hildenbrand wrote:
On 26.03.21
On Tuesday, 30 March 2021 8:13:32 PM AEDT David Hildenbrand wrote:
> External email: Use caution opening links or attachments
>
>
> On 29.03.21 03:37, Alistair Popple wrote:
> > On Friday, 26 March 2021 7:57:51 PM AEDT David Hildenbrand wrote:
> >> On 26.03.21 02:20, Alistair Popple wrote:
> >>>
On 29.03.21 03:37, Alistair Popple wrote:
On Friday, 26 March 2021 7:57:51 PM AEDT David Hildenbrand wrote:
On 26.03.21 02:20, Alistair Popple wrote:
request_free_mem_region() is used to find an empty range of physical
addresses for hotplugging ZONE_DEVICE memory. It does this by iterating
On 29.03.21 03:37, Alistair Popple wrote:
On Friday, 26 March 2021 7:57:51 PM AEDT David Hildenbrand wrote:
On 26.03.21 02:20, Alistair Popple wrote:
request_free_mem_region() is used to find an empty range of physical
addresses for hotplugging ZONE_DEVICE memory. It does this by iterating
On Mon, Mar 29, 2021 at 12:55:15PM +1100, Alistair Popple wrote:
> On Friday, 26 March 2021 4:15:36 PM AEDT Balbir Singh wrote:
> > On Fri, Mar 26, 2021 at 12:20:35PM +1100, Alistair Popple wrote:
> > > +static int __region_intersects(resource_size_t start, size_t size,
> > > +
On Friday, 26 March 2021 4:15:36 PM AEDT Balbir Singh wrote:
> On Fri, Mar 26, 2021 at 12:20:35PM +1100, Alistair Popple wrote:
> > +static int __region_intersects(resource_size_t start, size_t size,
> > +unsigned long flags, unsigned long desc)
> > +{
> > + struct
On Friday, 26 March 2021 7:57:51 PM AEDT David Hildenbrand wrote:
> On 26.03.21 02:20, Alistair Popple wrote:
> > request_free_mem_region() is used to find an empty range of physical
> > addresses for hotplugging ZONE_DEVICE memory. It does this by iterating
> > over the range of possible
On 26.03.21 02:20, Alistair Popple wrote:
request_free_mem_region() is used to find an empty range of physical
addresses for hotplugging ZONE_DEVICE memory. It does this by iterating
over the range of possible addresses using region_intersects() to see if
the range is free.
Just a high-level
On Fri, Mar 26, 2021 at 12:20:35PM +1100, Alistair Popple wrote:
> request_free_mem_region() is used to find an empty range of physical
> addresses for hotplugging ZONE_DEVICE memory. It does this by iterating
> over the range of possible addresses using region_intersects() to see if
> the range
request_free_mem_region() is used to find an empty range of physical
addresses for hotplugging ZONE_DEVICE memory. It does this by iterating
over the range of possible addresses using region_intersects() to see if
the range is free.
region_intersects() obtains a read lock before walking the
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