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SubjectRe: [GIT PULL] s390 patches for 4.20 #2
On Fri, 9 Nov 2018 06:39:07 -0600
Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Fri, Nov 9, 2018 at 1:14 AM Martin Schwidefsky
> <schwidefsky@de.ibm.com> wrote:
> >
> > s390 updates for 4.20-rc2
>
> Pulled.
>
> > - A fix for the pgtable_bytes misaccounting on s390. The patch changes
> > common code part in regard to page table folding and adds extra
> > checks to mm_[inc|dec]_nr_[pmds|puds].
>
> Ugh. This is somewhat invasive, I worry that some header include or
> architecture doesn't pick up on the subtle __PAGETABLE_XYZ_FOLDED
> things (if you don't get the includes, the mm_xyz_folded() maros will
> be mis-defined.
>
> Has this been in linux-next or any other wide testing? The changes
> aren't _new_, but...

Just checked linux-next, the first version that picked up the patches
is 2018-11-19. The one dated 2018-10-19 does not have them.

Bad timing, no wider testing has been done. The bug itself shows up
as a false warning, nothing really breaks. I would understand if you
prefer not to have them in the official tree at this time.

--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.

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