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b=taNmqBfM3BLswhWl/RJJAoUFuCiAqubMPHWGGMR3UdxU5KJrs8LMM7qcXQRrWVVpw gJFt3VEicxOzMPC1XI2z5MNJGEAaclq1nCkD/zc1lZ5QXVXtp5hg6xhnKLTJn3wcS9 elOgQXcAU4TsAUSpKtEoqf8YzI3FpzELGjqsW4ls= Date: Thu, 26 Mar 2026 11:38:37 -0700 From: Andrew Morton To: Sayali Patil Cc: "David Hildenbrand (Arm)" , Shuah Khan , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Ritesh Harjani , Zi Yan , Michal Hocko , Oscar Salvador , Lorenzo Stoakes , Dev Jain , Liam.Howlett@oracle.com, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH v2 09/13] selftests/mm: skip uffd-wp-mremap if UFFD write-protect is unsupported Message-Id: <20260326113837.b2a030330adb7dead8acfeff@linux-foundation.org> In-Reply-To: References: <457dddf1-04ec-4d1e-8640-b04997fac4f1@kernel.org> <0e9cea41-7c49-446a-b67b-256584960516@linux.ibm.com> <20260324165606.d75200ac0e5458a5ffb83d5d@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam12 X-Stat-Signature: 6xw4hcze8gpikugsnti4n667fo7neha9 X-Rspamd-Queue-Id: 1FA724000C X-Rspam-User: X-HE-Tag: 1774550318-769576 X-HE-Meta: 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 5S2ei1b1 42G6tQGPSRfqVpoWvqv9i7R4etw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 26 Mar 2026 23:31:10 +0530 Sayali Patil wrote: > > pagesize = getpagesize(); > > nr_thpsizes = detect_thp_sizes(thpsizes, ARRAY_SIZE(thpsizes)); > > _ > > > Hi Andrew, > I have some updates to [PATCH v2 04/13] selftests/mm: fix cgroup task > placement and tolerance in hugetlb_reparenting_test.sh, as Venkat > reported failures with the current version. > > Should I send a v3 of the full series, or just a fixup patch for > hugetlb_reparenting_test.sh? A full resend is fine, thanks. I'll prepare a diff showing all the changes since v2 for you to double-check and for people who already reviewed v2. > Also, if you prefer a v3, should I include > above fix for > selftests-mm-skip-uffd-wp-mremap-if-uffd-write-protect-is-unsupported as > well? Yes please, integrate all fixups. You may choose to track those fixups the way I do: [avagin@google.com: fix lock leak in mfill_get_vma()] Link: https://lkml.kernel.org/r/20260316173829.1126728-1-avagin@google.com [akpm@linux-foundation.org: update mfill_copy_folio_retry()] Link: https://lkml.kernel.org/r/20260316173829.1126728-1-avagin@google.com Link: https://lkml.kernel.org/r/20260306171815.3160826-6-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) Signed-off-by: Andrei Vagin Cc: Andrea Arcangeli Cc: Axel Rasmussen ... Other people also do this sometimes, usually not.