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b=qR5rRikIooXxjtH1rXtNRDBvVjWza5iIiQMZPhslncMnvMAqvgt0nGvBz2fY6WXEN6IotblsAeq2p9gqdwLf8BI+SgznNNLfxtvI7pxaa8A1PFJIKm0Zo7o9grG7gv4r3FyDjvQGfR6Ip8AzdA0XuneAUVRTwX4qEd3NGUrwFazjqy8e5TupbH3xBbxv7i8sro7Ukj8F+KgOgzUq2TX2wa1rvVPASKLxWT18WT47y6qUfjiMIvAszEjL8fXZ9BVktoX1LYNebKzvWez52wwuvdX8h2MXI2C4qw9Ge+E0ACQ4kZGwH/yIJiD4G0hTN4sxRpeL3K+CilghoMYCqNmipQ== Received: from DS0PR12MB7726.namprd12.prod.outlook.com (2603:10b6:8:130::6) by PH8PR12MB6818.namprd12.prod.outlook.com (2603:10b6:510:1c9::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8048.18; Mon, 14 Oct 2024 07:15:40 +0000 Received: from DS0PR12MB7726.namprd12.prod.outlook.com ([fe80::953f:2f80:90c5:67fe]) by DS0PR12MB7726.namprd12.prod.outlook.com ([fe80::953f:2f80:90c5:67fe%3]) with mapi id 15.20.8048.020; Mon, 14 Oct 2024 07:15:40 +0000 References: <4511465a4f8429f45e2ac70d2e65dc5e1df1eb47.1725941415.git-series.apopple@nvidia.com> User-agent: mu4e 1.10.8; emacs 29.1 From: Alistair Popple To: Alexander Gordeev Cc: dan.j.williams@intel.com, linux-mm@kvack.org, vishal.l.verma@intel.com, dave.jiang@intel.com, logang@deltatee.com, bhelgaas@google.com, jack@suse.cz, jgg@ziepe.ca, catalin.marinas@arm.com, will@kernel.org, mpe@ellerman.id.au, npiggin@gmail.com, dave.hansen@linux.intel.com, ira.weiny@intel.com, willy@infradead.org, djwong@kernel.org, tytso@mit.edu, linmiaohe@huawei.com, david@redhat.com, peterx@redhat.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, jhubbard@nvidia.com, hch@lst.de, david@fromorbit.com Subject: Re: [PATCH 11/12] mm: Remove pXX_devmap callers Date: Mon, 14 Oct 2024 18:14:30 +1100 In-reply-to: Message-ID: <8734kznoiw.fsf@nvdebian.thelocal> Content-Type: text/plain X-ClientProxiedBy: SY5P282CA0071.AUSP282.PROD.OUTLOOK.COM (2603:10c6:10:203::7) To DS0PR12MB7726.namprd12.prod.outlook.com (2603:10b6:8:130::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR12MB7726:EE_|PH8PR12MB6818:EE_ X-MS-Office365-Filtering-Correlation-Id: eacb8066-7137-4794-e972-08dcec200284 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|1800799024|376014|366016; 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>> VM_BUG_ON(addr & ~HPAGE_PMD_MASK); >> VM_BUG_ON((pmd_present(*pmdp) && !pmd_trans_huge(*pmdp) && >> - !pmd_devmap(*pmdp)) || !pmd_present(*pmdp)); >> + || !pmd_present(*pmdp)); > > That looks broken. Thanks! Clearly I better go reinstall that PPC cross-compiler... >> pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp); >> /* >> * if it not a fullmm flush, then we can possibly end up converting > > Thanks!