From: Kiryl Shutsemau <kirill@shutemov.name>
To: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Nico Pache <nico.pache@linux.dev>,
Barry Song <baohua@kernel.org>, Dev Jain <dev.jain@arm.com>,
Hugh Dickins <hughd@google.com>,
Lance Yang <lance.yang@linux.dev>,
"Liam R. Howlett" <liam@infradead.org>,
Michal Hocko <mhocko@suse.com>, Mike Rapoport <rppt@kernel.org>,
Ryan Roberts <ryan.roberts@arm.com>,
Shuah Khan <shuah@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Usama Arif <usama.arif@linux.dev>,
Vlastimil Babka <vbabka@kernel.org>, Zi Yan <ziy@nvidia.com>,
linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/16] selftests/mm: improve khugepaged coverage
Date: Wed, 5 Aug 2026 16:15:23 +0100 [thread overview]
Message-ID: <anNTWtDac3b-u0sf@thinkstation> (raw)
In-Reply-To: <f9f01bc0-490b-4d06-85a0-e4693b80696c@linux.alibaba.com>
On Mon, Aug 03, 2026 at 09:21:09AM +0800, Baolin Wang wrote:
>
>
> On 8/3/26 3:52 AM, Kiryl Shutsemau wrote:
> > From: "Kiryl Shutsemau (Meta)" <kas@kernel.org>
> >
> > mTHP collapse went in for 7.2 with no functional selftest coverage. Every
> > khugepaged collapse case is PMD-shaped, down to the detection: it reads
> > smaps AnonHugePages, which cannot see anything below the PMD order.
>
> Yes, I’ve already sent out several versions of mTHP collapse test cases[1].
> Not sure if you’ve seen my patchset, and it looks like some of our work
> overlaps :(
My bad. I've missed it. Acked now.
I will rebase my patches on top of yours and removing duplication.
--
Kiryl Shutsemau / Kirill A. Shutemov
next prev parent reply other threads:[~2026-08-05 15:15 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-02 19:52 [PATCH 00/16] selftests/mm: improve khugepaged coverage Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 01/16] selftests/mm: move is_backed_by_folio() into vm_util Kiryl Shutsemau
2026-08-03 11:04 ` Mike Rapoport
2026-08-02 19:52 ` [PATCH 02/16] selftests/mm: add folio-order check for VA ranges Kiryl Shutsemau
2026-08-03 11:04 ` Mike Rapoport
2026-08-02 19:52 ` [PATCH 03/16] selftests/mm: add folio-order detection self-check Kiryl Shutsemau
2026-08-03 11:04 ` Mike Rapoport
2026-08-02 19:52 ` [PATCH 04/16] selftests/mm: add order-parameterized khugepaged collapse cases Kiryl Shutsemau
2026-08-03 11:04 ` Mike Rapoport
2026-08-02 19:52 ` [PATCH 05/16] selftests/mm: add khugepaged completion barrier helper Kiryl Shutsemau
2026-08-03 11:04 ` Mike Rapoport
2026-08-02 19:52 ` [PATCH 06/16] selftests/mm: add khugepaged race harness Kiryl Shutsemau
2026-08-03 11:04 ` Mike Rapoport
2026-08-02 19:52 ` [PATCH 07/16] selftests/mm: cover a shared-source collapse write race Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 08/16] selftests/mm: skip collapse_compound_extreme where the PMD is too large Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 09/16] selftests/mm: skip khugepaged swap tests when no swap is configured Kiryl Shutsemau
2026-08-03 11:04 ` Mike Rapoport
2026-08-02 19:52 ` [PATCH 10/16] selftests/mm: verify synchronous khugepaged driving is attributable Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 11/16] selftests/mm: race-harness variant for permissive hole occupancy Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 12/16] selftests/mm: add memory-pressure threads to the khugepaged race harness Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 13/16] selftests/mm: parameterize the mixed-source collapse case by source order Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 14/16] selftests/mm: zap whole PTE tables in the khugepaged race harness Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 15/16] selftests/mm: scale khugepaged's collapse wait with the PMD size Kiryl Shutsemau
2026-08-02 19:52 ` [PATCH 16/16] selftests/mm: skip khugepaged shmem cases without a PMD page cache folio Kiryl Shutsemau
2026-08-02 22:50 ` Zi Yan
2026-08-03 1:21 ` [PATCH 00/16] selftests/mm: improve khugepaged coverage Baolin Wang
2026-08-05 15:15 ` Kiryl Shutsemau [this message]
2026-08-03 11:04 ` Mike Rapoport
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