Re: [PATCH 4/4] mm: delay page_remove_rmap() until after the TLB has been flushed

[Alexander Gordeev]

On Wed, Nov 09, 2022 at 01:04:07PM -0800, Linus Torvalds wrote:

Hi Linus,

[...]

> And I was so happy about sharing the s390 and UP case, and avoiding
> any code being specific to s390. Which is what introduced this thing.

Which actually brings a question whether CONFIG_MMU_GATHER_NO_GATHER
mode could be beneficial for UP?

But anyway, please find a follow-up series on top of mm-unstable
with patches 1,2 aimed to avoid delayed_rmap flag on s390/UP and
patches 3,4 hopefully cleaning things a bit (not so sure).

>                 Linus

Thanks!