Re: [PATCH V2] mm: Some arch may want to use HPAGE_PMD related values as variables

From: Aneesh Kumar K.V
Date: Tue Feb 09 2016 - 21:34:35 EST


"Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx> writes:

> On Tue, Feb 09, 2016 at 09:41:44PM +0530, Aneesh Kumar K.V wrote:
>> With next generation power processor, we are having a new mmu model
>> [1] that require us to maintain a different linux page table format.
>>
>> Inorder to support both current and future ppc64 systems with a single
>> kernel we need to make sure kernel can select between different page
>> table format at runtime. With the new MMU (radix MMU) added, we will
>> have two different pmd hugepage size 16MB for hash model and 2MB for
>> Radix model. Hence make HPAGE_PMD related values as a variable.
>>
>> [1] http://ibm.biz/power-isa3 (Needs registration).
>>
>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
>
> I guess it should have my signed-off-by ;)
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

Thanks will update. I will also update the From:

-aneesh