Re: [PATCH mm-new v6 2/5] mm: khugepaged: refine scan progress number

[David Hildenbrand (Arm)]

On 2/5/26 15:25, Dev Jain wrote:
> On 05/02/26 5:41 pm, David Hildenbrand (arm) wrote:
> > On 2/5/26 07:08, Vernon Yang wrote:
> > > On Thu, Feb 5, 2026 at 5:35 AM David Hildenbrand (arm)
> > > <david@xxxxxxxxxx> wrote:
> > >
> > > I guess, your meaning is "min(_pte - pte + 1, HPAGE_PMD_NR)", not max().
> >
> > Yes!
> >
> > > I'm also worried that the compiler can't optimize this since the body of
> > > the loop is complex, as with Dev's opinion [1].
> >
> > Why do we even have to optimize this? :)
> >
> > Premature ... ? :)
>
>
> I mean .... we don't, but the alternate is a one liner using max().

I'm fine with the max(), but it still seems like adding complexity to 
optimize something that is nowhere prove to really be a problem.

--
Cheers,

David