Re: [LSF/MM/BPF TOPIC] 64k (or 16k) base page size on x86

From: David Hildenbrand (Arm)

Date: Fri May 01 2026 - 14:02:43 EST


On 5/1/26 20:00, Kiryl Shutsemau wrote:
> On Thu, Feb 19, 2026 at 03:08:58PM +0000, Kiryl Shutsemau wrote:
>> == Status ==
>>
>> I have a POC implementation on top of v6.17:
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git pte_size
>
> Just a heads up.
>
> I've updated the tree. It is on top of v7.0 now.
>
> I can boot my VM fully (not only to shell as before) on all three page
> size 4k, 16k and 64k. And it doesn't crash immediately.
>
> Page fault handler is the most challenging part of the design. I wanted
> to flash it out to RFC quality before the summit, but it is not there
> yet. But it started getting a shape.
>
> Volume of the code changes makes it hard to deal with the patchset:
>
> 1530 files changed, 12675 insertions(+), 8669 deletions(-)

I think you know the answer already :P

--
Cheers,

David