Re: [PATCHv2] mm: Fix warning in move_normal_pmd()
From: Naresh Kamboju
Date: Thu Jul 16 2020 - 04:32:49 EST
On Thu, 16 Jul 2020 at 04:49, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Wed, Jul 15, 2020 at 4:04 PM Linus Torvalds
> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > It *might* be as simple as this incremental thing on top
>
> No, it needs to be
>
> + if (*old_addr + *len < old->vm_end)
> + return;
>
> in try_to_align_end(), of course.
I have modified the patch with the above change.
Sorry the proposed patch [1] did not solve the reported problem.
Link to warning on i386,
https://lkft.validation.linaro.org/scheduler/job/1574295#L2055
Link to the patch which applied on top of Linus master and tested.
[1] https://pastebin.com/2gTxi3pj
I am happy to test the next version patch.
- Naresh