linux-kernel - Re: [PATCH 0/6] selftests/mm: Fix false positives and skip unsupported tests

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Message-ID: <4f2761c83dbdb55e5fd7ee27d4a6f0c5e04b471d.camel@linux.ibm.com>
Date: Tue, 17 Jun 2025 13:23:45 +0530
From: Aboorva Devarajan <aboorvad@...ux.ibm.com>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: akpm@...ux-foundation.org, Liam.Howlett@...cle.com, shuah@...nel.org,
        pfalcato@...e.de, david@...hat.com, ziy@...dia.com,
        baolin.wang@...ux.alibaba.com, npache@...hat.com, ryan.roberts@....com,
        dev.jain@....com, baohua@...nel.org, linux-mm@...ck.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        donettom@...ux.ibm.com, ritesh.list@...il.com
Subject: Re: [PATCH 0/6] selftests/mm: Fix false positives and skip
 unsupported tests

On Mon, 2025-06-16 at 17:11 +0100, Lorenzo Stoakes wrote:
> Hi Aboorva,
> 
> It's (highly!) forgivable as things have changed fairly recently, but the
> tippy tip of mm development is now done in the mm-new branch, against which
> this series doesn't apply.
> 
> I thought this might be the case, as there is a series I implemented there
> that changes the split huge page tests (possibly affecting more), hence me
> checking!
> 
> So you'll need to rebase against mm-new, unfortunately!
> 
> Thanks, Lorenzo

Hi Lorenzo,

Thanks for pointing this out.

We'll rebase the patches against mm-new and repost them as v2.

Regards,
Aboorva
> 
> On Mon, Jun 16, 2025 at 09:36:26PM +0530, Aboorva Devarajan wrote:
> > This patch series fixes some of the false positives in generic
> > mm selftests and skips tests that cannot run correctly due to
> > missing features or system limitations.
> > 
> > Please let us know if you have any feedback.
> > 
> > Thanks,
> > Aboorva
> > 
> > Aboorva Devarajan (2):
> >   selftests/mm: Fix child process exit codes in KSM tests
> >   selftests/mm: Mark thuge-gen as skipped if shmmax is too small or no
> >     1G pages
> > 
> > Donet Tom (4):
> >   mm/selftests: Fix virtual_address_range test issues.
> >   selftest/mm: Fix ksm_funtional_test failures
> >   selftests/mm : fix test_prctl_fork_exec failure
> >   mm/selftests: Fix split_huge_page_test failure on systems with 64KB
> >     page size
> > 
> >  .../selftests/mm/ksm_functional_tests.c       | 24 +++++++++++++------
> >  .../selftests/mm/split_huge_page_test.c       | 23 ++++++++++++++----
> >  tools/testing/selftests/mm/thuge-gen.c        | 11 +++++----
> >  .../selftests/mm/virtual_address_range.c      | 14 +++--------
> >  4 files changed, 45 insertions(+), 27 deletions(-)
> > 
> > --
> > 2.43.5
> >