Re: [PATCH mm-unstable v15 13/13] Documentation: mm: update the admin guide for mTHP collapse

David Hildenbrand (Arm)
2026-03-18T19:50:08Z

On 3/18/26 20:08, Nico Pache wrote:
>
>
> On 3/17/26 5:02 AM, Lorenzo Stoakes (Oracle) wrote:
>> On Wed, Feb 25, 2026 at 08:27:06PM -0700, Nico Pache wrote:
>>> Now that we can collapse to mTHPs lets update the admin guide to
>>> reflect these changes and provide proper guidance on how to utilize it.
>>>
>>> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
>>> Signed-off-by: Nico Pache <npache@redhat.com>
>>
>> LGTM, but maybe we should mention somewhere about mTHP's max_ptes_none
>> behaviour?
>
> IIRC we decided to strictly leave that out of the manual. I used to have it in
> here. @david?

I think we argued in the past that we didn't want to document the weird
scaling part.

Documenting that only two values are currently supported (no scaling)
makes sense to me.

--
Cheers,

David