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npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, linux-mm@kvack.org Subject: Re: [Patch v3 2/2] mm/huge_memory: merge uniform_split_supported() and non_uniform_split_supported() Date: Tue, 18 Nov 2025 13:55:15 -0500 X-Mailer: MailMate (2.0r6290) Message-ID: <2AD36673-231C-41B9-905D-35BAB4CF63D2@nvidia.com> In-Reply-To: <20251118103220.bd90932096d4e36f754de21b@linux-foundation.org> References: <20251106034155.21398-1-richard.weiyang@gmail.com> <20251106034155.21398-3-richard.weiyang@gmail.com> <20251117012239.lqm33uu4vl4y5zqc@master> <337CD281-F5B3-47FE-82C3-ECB236450F60@nvidia.com> <20251118033339.7rukw7vvjvlbj5jb@master> <51358ABE-B0BE-48E1-95E3-C778D1F44622@nvidia.com> <20251118103220.bd90932096d4e36f754de21b@linux-foundation.org> Content-Type: text/plain X-ClientProxiedBy: MN0P223CA0028.NAMP223.PROD.OUTLOOK.COM (2603:10b6:208:52b::17) To DS7PR12MB9473.namprd12.prod.outlook.com (2603:10b6:8:252::5) MIME-Version: 1.0 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>>> >>> So I think the fix tag should be [1], right? >> >> I think so. >> >>> >>> And do we need cc stable? >> >> Yes, please. > > I added: > > Fixes: c010d47f107f ("mm: thp: split huge page to any lower order pages") > Cc: Hi Andrew, This patch does not fix the NULL dereferencing issue yet. Wei is going to 1. send a patch to fix the bug on top of mm-stable, 2. resend this patchset on top of the fix in 1. This might be easier for back porting the fix. Maybe you can drop this series for now. Wei, do you agree? Best Regards, Yan, Zi