On 1/27/21 2:59 PM, David Hildenbrand wrote:
> On 27.01.21 05:06, Anshuman Khandual wrote:
>>
>>
>> On 1/25/21 2:43 PM, David Hildenbrand wrote:
>>> On 25.01.21 07:22, Anshuman Khandual wrote:
On 12/22/20 12:42 PM, Anshuman Khandual wrote:
> pfn_valid() asserts that there is a
On 27.01.21 05:06, Anshuman Khandual wrote:
On 1/25/21 2:43 PM, David Hildenbrand wrote:
On 25.01.21 07:22, Anshuman Khandual wrote:
On 12/22/20 12:42 PM, Anshuman Khandual wrote:
pfn_valid() asserts that there is a memblock entry for a given pfn without
MEMBLOCK_NOMAP flag being set. The
On 1/25/21 1:01 PM, Mike Rapoport wrote:
> On Mon, Jan 25, 2021 at 11:52:32AM +0530, Anshuman Khandual wrote:
>>
>> On 12/22/20 12:42 PM, Anshuman Khandual wrote:
>>> pfn_valid() asserts that there is a memblock entry for a given pfn without
>>> MEMBLOCK_NOMAP flag being set. The problem with
On 1/25/21 2:43 PM, David Hildenbrand wrote:
> On 25.01.21 07:22, Anshuman Khandual wrote:
>>
>> On 12/22/20 12:42 PM, Anshuman Khandual wrote:
>>> pfn_valid() asserts that there is a memblock entry for a given pfn without
>>> MEMBLOCK_NOMAP flag being set. The problem with ZONE_DEVICE based
On 25.01.21 07:22, Anshuman Khandual wrote:
>
> On 12/22/20 12:42 PM, Anshuman Khandual wrote:
>> pfn_valid() asserts that there is a memblock entry for a given pfn without
>> MEMBLOCK_NOMAP flag being set. The problem with ZONE_DEVICE based memory is
>> that they do not have memblock entries.
On Mon, Jan 25, 2021 at 11:52:32AM +0530, Anshuman Khandual wrote:
>
> On 12/22/20 12:42 PM, Anshuman Khandual wrote:
> > pfn_valid() asserts that there is a memblock entry for a given pfn without
> > MEMBLOCK_NOMAP flag being set. The problem with ZONE_DEVICE based memory is
> > that they do not
On 12/22/20 12:42 PM, Anshuman Khandual wrote:
> pfn_valid() asserts that there is a memblock entry for a given pfn without
> MEMBLOCK_NOMAP flag being set. The problem with ZONE_DEVICE based memory is
> that they do not have memblock entries. Hence memblock_is_map_memory() will
> invariably
On Mon, Jan 11, 2021 at 11:31:02AM +0100, David Hildenbrand wrote:
> On 04.01.21 07:18, Anshuman Khandual wrote:
...
> >> Actually, I think we want to check for partial present sections.
> >>
> >> Maybe we can rather switch to generic pfn_valid() and tweak it to
> >> something like
> >>
> >>
On 04.01.21 07:18, Anshuman Khandual wrote:
>
> On 12/22/20 2:41 PM, David Hildenbrand wrote:
>> On 22.12.20 08:12, Anshuman Khandual wrote:
>>> pfn_valid() validates a pfn but basically it checks for a valid struct page
>>> backing for that pfn. It should always return positive for memory ranges
On 1/4/21 9:06 PM, Jonathan Cameron wrote:
> On Tue, 22 Dec 2020 12:42:23 +0530
> Anshuman Khandual wrote:
>
>> pfn_valid() validates a pfn but basically it checks for a valid struct page
>> backing for that pfn. It should always return positive for memory ranges
>> backed with struct page
On Tue, 22 Dec 2020 12:42:23 +0530
Anshuman Khandual wrote:
> pfn_valid() validates a pfn but basically it checks for a valid struct page
> backing for that pfn. It should always return positive for memory ranges
> backed with struct page mapping. But currently pfn_valid() fails for all
>
On 12/22/20 2:41 PM, David Hildenbrand wrote:
> On 22.12.20 08:12, Anshuman Khandual wrote:
>> pfn_valid() validates a pfn but basically it checks for a valid struct page
>> backing for that pfn. It should always return positive for memory ranges
>> backed with struct page mapping. But currently
On 22.12.20 08:12, Anshuman Khandual wrote:
> pfn_valid() validates a pfn but basically it checks for a valid struct page
> backing for that pfn. It should always return positive for memory ranges
> backed with struct page mapping. But currently pfn_valid() fails for all
> ZONE_DEVICE based memory
pfn_valid() validates a pfn but basically it checks for a valid struct page
backing for that pfn. It should always return positive for memory ranges
backed with struct page mapping. But currently pfn_valid() fails for all
ZONE_DEVICE based memory types even though they have struct page mapping.
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