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Tsirkin" , Miguel Ojeda , Robin Murphy , rust-for-linux@vger.kernel.org, Sagi Grimberg , Stefano Stabellini , Steven Rostedt , virtualization@lists.linux.dev, Will Deacon , xen-devel@lists.xenproject.org Subject: Re: [PATCH v6 03/16] dma-debug: refactor to use physical addresses for page mapping Message-ID: <20250910115839.GT789684@nvidia.com> References: <56d1a6769b68dfcbf8b26a75a7329aeb8e3c3b6a.1757423202.git.leonro@nvidia.com> <20250909193748.GG341237@unreal> <20250910052618.GH341237@unreal> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250910052618.GH341237@unreal> X-ClientProxiedBy: YT4PR01CA0498.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:10c::6) To PH7PR12MB5757.namprd12.prod.outlook.com (2603:10b6:510:1d0::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH7PR12MB5757:EE_|CH3PR12MB8709:EE_ X-MS-Office365-Filtering-Correlation-Id: d3d1beeb-870b-4064-522c-08ddf0616235 X-MS-Exchange-SenderADCheck: 1 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is_highmem_idx(folio_zonenum(__f)) > #else > PAGEFLAG_FALSE(HighMem, highmem) > #endif > +#define PhysHighMem(__p) (PageHighMem(phys_to_page(__p))) Yeah, that's what I imagined, and I'd make it a static inline static inline bool PhysHighMem(phys_addr_t phys) These existing macros are old fashioned imho. Jason