Alexander Gordeev writes:
> On Tue, Sep 10, 2024 at 02:14:36PM +1000, Alistair Popple wrote:
>
> Hi Alistair,
>
>> diff --git a/arch/powerpc/mm/book3s64/pgtable.c
>> b/arch/powerpc/mm/book3s64/pgtable.c
>> index 5a4a753..4537a29 100644
>> --- a/arch/powerpc/mm/book3s64/pgtable.c
>> +++ b/arch/
On Tue, Sep 10, 2024 at 02:14:36PM +1000, Alistair Popple wrote:
Hi Alistair,
> diff --git a/arch/powerpc/mm/book3s64/pgtable.c
> b/arch/powerpc/mm/book3s64/pgtable.c
> index 5a4a753..4537a29 100644
> --- a/arch/powerpc/mm/book3s64/pgtable.c
> +++ b/arch/powerpc/mm/book3s64/pgtable.c
> @@ -193,7
The devmap PTE special bit was used to detect mappings of FS DAX
pages. This tracking was required to ensure the generic mm did not
manipulate the page reference counts as FS DAX implemented it's own
reference counting scheme.
Now that FS DAX pages have their references counted the same way as
nor
