Re: [PATCH v2 2/2] selftests/mm: verify droppable mappings cannot be locked

[Andrew Morton]

On Wed, 1 Apr 2026 12:17:30 +0100 Mark Brown <broonie@xxxxxxxxxx> wrote:

> On Tue, Mar 31, 2026 at 02:17:14PM -0700, Andrew Morton wrote:
> > On Tue, 31 Mar 2026 14:17:50 +0100 Mark Brown <broonie@xxxxxxxxxx> wrote:
> 
> > > All these failures which cause the entire test program to immediately
> > > die seem exceessively strong...
> 
> > Well, is the test code incorrect, or is the patch which it's testing
> > incorrect?  That's 5435ba164b0d ("mm: prevent droppable mappings from
> > being locked")?
> 
> I've done no investigation on the actual failure, sorry - the comment
> above is a stylistic/usability one about the test program.

Thanks.

Anthony believes this is a problem in the test code, not in the kernel
code which is being tested.  He's working on the test code so I shall
drop the current test code from mm.git't mm-stable tree. 

That's 6235dbcce97f ("selftests/mm: verify droppable mappings cannot be
locked")