From: Andrew Morton <akpm@linux-foundation.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: David Hildenbrand <david@kernel.org>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Barry Song <baohua@kernel.org>, Dev Jain <dev.jain@arm.com>,
Donet Tom <donettom@linux.ibm.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
John Hubbard <jhubbard@nvidia.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Lance Yang <lance.yang@linux.dev>, Li Wang <li.wang@linux.dev>,
Leon Romanovsky <leon@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Luiz Capitulino <luizcap@redhat.com>,
Mark Brown <broonie@kernel.org>, Michal Hocko <mhocko@suse.com>,
Nico Pache <npache@redhat.com>, Peter Xu <peterx@redhat.com>,
Ryan Roberts <ryan.roberts@arm.com>,
Sarthak Sharma <sarthak.sharma@arm.com>,
Shuah Khan <shuah@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Vlastimil Babka <vbabka@kernel.org>, Zi Yan <ziy@nvidia.com>,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v4 00/55] make MM selftests more CI friendly
Date: Mon, 11 May 2026 14:34:20 -0700 [thread overview]
Message-ID: <20260511143420.b1dcf710e99baa48d1c37209@linux-foundation.org> (raw)
In-Reply-To: <20260511162840.375890-1-rppt@kernel.org>
On Mon, 11 May 2026 19:27:44 +0300 Mike Rapoport <rppt@kernel.org> wrote:
> From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
>
> Hi,
>
> There's a lot of dancing around HugeTLB settings in run_vmtests.sh.
> Some test need just a few default huge pages, some require at least 256 MB, and
> some just skip lots of tests if huge pages of all supported sizes are not
> available.
>
> The goal of this set is to make tests deal with HugeTLB setup and teardown.
>
> There are already convenient helpers that allow easy reading and writing of
> /proc and /sysfs, so adding a few APIs that will detect and update HugeTLB
> settings shouldn't be a big deal. But these nice helpers use kselftest
> framework, and many of HugeTLB (and even THP) test don't, so as a result this
> patchset also includes a lot of churn for conversion of those tests to
> kselftest framework (patches 7-19).
>
> @Andrew, I think it's good to go now.
OK, thanks, I've added this to mm-new.
> I'm sure Sashiko will still have somehting to say, but there is really a lot of
> room for imporvement in our selftests and with Sashiko being overly pedantic
> we'd be stuck forever.
Fair enough ;)
prev parent reply other threads:[~2026-05-11 21:34 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 16:27 [PATCH v4 00/55] make MM selftests more CI friendly Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 01/55] selftests/mm: hugetlb-read-hwpoison: add SIGBUS handler Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 02/55] selftests/mm: migration: don't assume huge page is TWOMEG Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 03/55] selftests/mm: migration: make nthreads represent number of working threads Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 04/55] selftests/mm: migration: properly cleanup fork()ed processes Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 05/55] selftests/mm: run_vmtests.sh: don't gate THP and KSM tests on HAVE_HUGEPAGES Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 06/55] selftests/mm: merge map_hugetlb into hugepage-mmap Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 07/55] selftests/mm: rename hugepage-* tests to hugetlb-* Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 08/55] selftests/mm: hugetlb-shm: use kselftest framework Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 09/55] selftests/mm: hugetlb-vmemmap: " Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 10/55] selftests/mm: hugetlb-madvise: " Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 11/55] selftests/mm: hugetlb_madv_vs_map: " Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 12/55] selftests/mm: hugetlb-read-hwpoison: " Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 13/55] selftests/mm: khugepaged: group tests in an array Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 14/55] selftests/mm: khugepaged: use ksefltest framework Mike Rapoport
2026-05-11 16:27 ` [PATCH v4 15/55] selftests/mm: ksm_tests: use kselftest framework Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 16/55] selftests/mm: protection_keys: use descriptive test names in the output Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 17/55] selftests/mm: protection_keys: use kselftest framework Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 18/55] selftests/mm: uffd-common: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 19/55] selftests/mm: uffd-stress: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 20/55] selftests/mm: uffd-unit-tests: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 21/55] selftests/mm: va_high_addr_switch: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 22/55] selftests/mm: add atexit() and signal handlers to thp_settings Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 23/55] selftests/mm: rename thp_settings.[ch] to hugepage_settings.[ch] Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 24/55] selftests/mm: move HugeTLB helpers to hugepage_settings Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 25/55] selftests/mm: hugepage_settings: use unsigned long in detect_hugetlb_page_size Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 26/55] selftests/mm: hugepage_settings: add APIs to get and set nr_hugepages Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 27/55] selftests/mm: hugepage_settings: rename and rework get_free_hugepages() Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 28/55] selftests/mm: hugepage_settings: add APIs for HugeTLB setup and teardown Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 29/55] selftests/mm: move read_file(), read_num() and write_num() to vm_util Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 30/55] selftests/mm: vm_util: add helpers to set and restore shm limits Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 31/55] selftests/mm: compaction_test: use HugeTLB helpers Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 32/55] selftests/mm: cow: add setup of HugeTLB pages Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 33/55] selftests/mm: gup_longterm: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 34/55] selftests/mm: gup_test: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 35/55] selftests/mm: hmm-tests: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 36/55] selftests/mm: hugepage_dio: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 37/55] selftests/mm: hugetlb_fault_after_madv: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 38/55] selftests/mm: hugetlb-madvise: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 39/55] selftests/mm: hugetlb_madv_vs_map: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 40/55] selftests/mm: hugetlb-mmap: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 41/55] selftests/mm: hugetlb-mremap: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 42/55] selftests/mm: hugetlb-shm: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 43/55] selftests/mm: hugetlb-soft-offline: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 44/55] selftests/mm: hugetlb-vmemmap: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 45/55] selftests/mm: migration: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 46/55] selftests/mm: pagemap_ioctl: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 47/55] selftests/mm: protection_keys: use library code for HugeTLB setup Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 48/55] selftests/mm: thuge-gen: add setup of HugeTLB pages Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 49/55] selftests/mm: uffd-stress: use hugetlb_save and alloc huge pages Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 50/55] selftests/mm: uffd-unit-tests: add setup of HugeTLB pages Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 51/55] selftests/mm: uffd-wp-mremap: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 52/55] selftests/mm: va_high_addr_switch: " Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 53/55] selftests/mm: va_high_addr_switch.sh: drop huge pages setup Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 54/55] selftests/mm: run_vmtests.sh: free memory if available memory is low Mike Rapoport
2026-05-11 16:28 ` [PATCH v4 55/55] selftests/mm: run_vmtests.sh: drop detection and setup of HugeTLB Mike Rapoport
2026-05-11 21:34 ` Andrew Morton [this message]
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