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Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] tools/testing/vma: add missing function stub Message-Id: <20250529082359.ebf2a908e068ed3ffc8027f9@linux-foundation.org> In-Reply-To: <8bcf5f5a-a4e6-41cb-84a8-e2919b0785cb@lucifer.local> References: <20250528-fix-vma-test-v1-1-c8a5f533b38f@oracle.com> <20250528155218.a8b755912d1eed25148c59b4@linux-foundation.org> <8bcf5f5a-a4e6-41cb-84a8-e2919b0785cb@lucifer.local> 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: rspam08 X-Rspamd-Queue-Id: 17DAA1C0004 X-Stat-Signature: prtdc4yghfdo6kfibjc6mjcr3iqcb46k X-Rspam-User: X-HE-Tag: 1748532241-515915 X-HE-Meta: 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 9OebAUZ3 27FP08pulBDlAkDpa4tbWcbmJE8kvku9qanhfzlm9I/p/W4kRAco8SD7DYg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 29 May 2025 06:39:09 +0100 Lorenzo Stoakes wrote: > On Wed, May 28, 2025 at 03:52:18PM -0700, Andrew Morton wrote: > > On Wed, 28 May 2025 15:15:39 +0100 Lorenzo Stoakes via B4 Relay wrote: > > > > > From: Lorenzo Stoakes > > > > > > The hugetlb fix introduced in commit ee40c9920ac2 ("mm: fix copy_vma() > > > error handling for hugetlb mappings") mistakenly did not provide a stub for > > > the VMA userland testing, which results in a compile error when trying to > > > build this. > > > > Thanks, I'll add the Fixes: and the cc:stable (because ee40c9920ac2 had > > cc:stable). > > Yeah I intentionally excluded those, as it'll lead to some backport pain > for something that isn't shipped. > > I'm not sure if we generally backport test fixes as a rule? Though I > suppose it might be useful if somebody is investigating an issue in a > stable kernel. I do like to backport selftests fixes if doing so avoids bogus failures and especially if they fix build breakage.