Re: [PATCH 0/2] mm/mremap: fix two issues with MREMAP_DONTUNMAP

[Lorenzo Stoakes (ARM)]

On Wed, Sep 30, 2026 at 10:59:50AM -0500, Anirudh Srinivasan wrote:
> On Sun, Sep 20, 2026 at 03:13:09PM +0100, Lorenzo Stoakes (ARM) wrote:

> > Signed-off-by: Lorenzo Stoakes (ARM) <ljs@xxxxxxxxxx>
> > ---
> > Lorenzo Stoakes (ARM) (2):
> >       mm/mremap: fix locked_vm leak from MREMAP_DONTUNMAP self-merge
> >       mm/mremap: fix locked_vm leak by splitting VMA for MREMAP_DONTUNMAP
>
> Hello,
>
> Apologies for the double mail. I did not hit reply all first time.
>
> I am seeing some failures in the proc_maps_race kselftests after
> this patch was added to linux-next. The failures are in
> test_maps_tearing_from_remap and test_maps_tearing_from_resize. I have
> attached some logs below

Ack thanks for the report. I'll dig into this and get back to you!

Instinctively I suspect the tests are making assumptions they shouldn't be,
given this series has the MREMAP_DONTUNMAP case split in advance.

--
Cheers, Lorenzo