[PATCH v4 3/4] mm: Optimize mprotect() by PTE-batching

[Dev Jain]

On 02/07/25 4:02 pm, Lorenzo Stoakes wrote:
> On Tue, Jul 01, 2025 at 02:40:14PM +0100, Lorenzo Stoakes wrote:
>> Let me fiddle with this code and see if I can suggest something sensible.
> OK this is _even more fiddly_ than I thought.
>
> Dev - feel free to do a respin (once David's stuff's landed in mm-new, which I
> think maybe it has now?), and we can maybe discuss a v6 with everything else in
> place if this is still problematic.
>
> Ryan mentioned an iterator solution, which actually now seems sensible here, if
> fiddly. Please do try to attack that in v5 to see if something's workable there.
>
> Why are computers so complicated...

Sure! I'll be out next week so the mm list can take a breather from my patches : )
My brain exploded trying to understand your and Ryan's implementation conversation,
will read it all and try to come up with something nice.