Re: [PATCH mm-unstable v15 12/13] mm/khugepaged: run khugepaged for all orders

[David Hildenbrand (Arm)]

On 2/26/26 04:26, Nico Pache wrote:
> From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
> 
> If any order (m)THP is enabled we should allow running khugepaged to
> attempt scanning and collapsing mTHPs. In order for khugepaged to operate
> when only mTHP sizes are specified in sysfs, we must modify the predicate
> function that determines whether it ought to run to do so.
> 
> This function is currently called hugepage_pmd_enabled(), this patch
> renames it to hugepage_enabled() and updates the logic to check to
> determine whether any valid orders may exist which would justify
> khugepaged running.
> 
> We must also update collapse_allowable_orders() to check all orders if
> the vma is anonymous and the collapse is khugepaged.
> 
> After this patch khugepaged mTHP collapse is fully enabled.
> 
> Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Nico Pache <npache@xxxxxxxxxx>
> ---

Nothing jumped at me

Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>

-- 
Cheers,

David