On 4/21/21 5:49 PM, Mike Rapoport wrote:
> On Wed, Apr 21, 2021 at 04:29:48PM +0530, Anshuman Khandual wrote:
>>
>> On 4/21/21 12:21 PM, Mike Rapoport wrote:
>>> From: Mike Rapoport
>>>
>>> The intended semantics of pfn_valid() is to verify whether there is a
>>> struct page for the pfn in
On Wed, Apr 21, 2021 at 04:29:48PM +0530, Anshuman Khandual wrote:
>
> On 4/21/21 12:21 PM, Mike Rapoport wrote:
> > From: Mike Rapoport
> >
> > The intended semantics of pfn_valid() is to verify whether there is a
> > struct page for the pfn in question and nothing else.
> >
> > Yet, on arm64
On 4/21/21 12:21 PM, Mike Rapoport wrote:
> From: Mike Rapoport
>
> The intended semantics of pfn_valid() is to verify whether there is a
> struct page for the pfn in question and nothing else.
>
> Yet, on arm64 it is used to distinguish memory areas that are mapped in the
> linear map vs
From: Mike Rapoport
The intended semantics of pfn_valid() is to verify whether there is a
struct page for the pfn in question and nothing else.
Yet, on arm64 it is used to distinguish memory areas that are mapped in the
linear map vs those that require ioremap() to access them.
Introduce a
