On Wed, 11 Jul 2018 15:17:42 -0700 Guenter Roeck <[email protected]> wrote:

> On Tue, Jul 10, 2018 at 04:48:21PM +0300, Kirill A. Shutemov wrote:
> > We now have all VMAs with ->vm_ops set and don't need to check it for
> > NULL everywhere.
> > 
> > Signed-off-by: Kirill A. Shutemov <[email protected]>
> 
> This patch causes two of my qemu tests to fail:
>       arm:mps2-an385:mps2_defconfig:mps2-an385
>       xtensa:de212:kc705-nommu:nommu_kc705_defconfig
> 
> Both are nommu configurations.
> 
> Reverting the patch fixes the problem. Bisect log is attached for reference.

Thanks.  And there's the /dev/ion sysbot bug report.

mm-drop-unneeded-vm_ops-checks.patch needs some more work - let's drop it
for now.

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