Re: [PATCH] fstests: add fsstress + compaction test

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On Thu, 18 Apr 2024 11:19:33 +0200 Vlastimil Babka <vbabka@xxxxxxx> wrote:

> On 4/18/24 08:57, Christoph Hellwig wrote:
> > On Thu, Apr 18, 2024 at 02:39:19AM +0100, Matthew Wilcox wrote:
> >>> Running compaction while we run fsstress can crash older kernels as per
> >>> korg#218227 [0], the fix for that [0] has been posted [1] but that patch
> >>> is not yet on v6.9-rc4 and the patch requires changes for v6.9.
> >>
> >> It doesn't require changes, it just has prerequisites:
> >>
> >>
> > 
> > How can we expedite getting this fix in?
> It means moving patches 2,4,5 from the above (with their fixups) from
> mm-unstable to mm-hotfixes-unstable so they are on track to mainline
> before 6.9.
> A quick local rebase of mm-unstable with reordering said patches to the
> front (v6.9-rc4) suggests this is possible without causing conflicts,
> and the intermediate result compiles, at least.

Thanks for the reminder, this fell through cracks.

It indeed appears that I can move


without merge or build issues.  I added

Fixes: 9c5ccf2db04b ("mm: remove HUGETLB_PAGE_DTOR")
Cc: <stable@xxxxxxxxxxxxxxx>

to all patches.

But a question: 9c5ccf2db04b is from August 2023.  Why are we seeing
this issue now?

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