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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Jann Horn , Pedro Falcato , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Andrei Vagin Subject: Re: [PATCH v4 5/9] mm: introduce copy-on-fork VMAs and make VM_MAYBE_GUARD one Message-ID: <2456b1fb-3ea9-4632-8757-b8e0ea16dc29@lucifer.local> References: <5d41b24e7bc622cda0af92b6d558d7f4c0d1bc8c.1763460113.git.lorenzo.stoakes@oracle.com> <20260113231257.3002271-1-clm@meta.com> <955cd0d6-8977-4bd1-8f16-a21063a5a95f@lucifer.local> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <955cd0d6-8977-4bd1-8f16-a21063a5a95f@lucifer.local> X-ClientProxiedBy: LO4P265CA0202.GBRP265.PROD.OUTLOOK.COM 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Actually it's clear that assert is just wrong, so I'll drop it. we don't assert elsewhere, this seems to be a 'nice to have', and I'd rather not bother with a 'mmap or VMA lock' check here as it doesn't seem worth it. Will send shortly.