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Thu, 17 Jun 2021 15:18:30 +0000 From: Alex Sierra To: akpm@linux-foundation.org, Felix.Kuehling@amd.com, linux-mm@kvack.org, rcampbell@nvidia.com, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, hch@lst.de, jgg@nvidia.com, jglisse@redhat.com, Alex Sierra Subject: [PATCH v3 6/8] include/linux/mm.h: helpers to check zone device generic type Date: Thu, 17 Jun 2021 10:17:03 -0500 Message-Id: <20210617151705.15367-7-alex.sierra@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210617151705.15367-1-alex.sierra@amd.com> References: <20210617151705.15367-1-alex.sierra@amd.com> X-Originating-IP: [165.204.78.1] X-ClientProxiedBy: SN4PR0501CA0088.namprd05.prod.outlook.com (2603:10b6:803:22::26) To DM6PR12MB4419.namprd12.prod.outlook.com (2603:10b6:5:2aa::20) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from alex-MS-7B09.amd.com (165.204.78.1) by SN4PR0501CA0088.namprd05.prod.outlook.com (2603:10b6:803:22::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.9 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: ada8e25a-b3cc-4228-4012-08d931a32984 X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB4419.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jun 2021 15:18:29.9651 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: e/tS81a/zUIjXckCdeV5/T28s8/iILr8eZZWQRTemEyFhO/boyNqu6UiVrPs961LzphWIocADRgSXCsCw7YsCw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB2970 Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Two helpers added. One checks if zone device page is generic type. The other if page is either private or generic type. Signed-off-by: Alex Sierra --- include/linux/mm.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index d8d79bb94be8..f5b247a63044 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1125,6 +1125,14 @@ static inline bool is_device_private_page(const struct page *page) page->pgmap->type == MEMORY_DEVICE_PRIVATE; } +static inline bool is_device_page(const struct page *page) +{ + return IS_ENABLED(CONFIG_DEV_PAGEMAP_OPS) && + is_zone_device_page(page) && + (page->pgmap->type == MEMORY_DEVICE_PRIVATE || + page->pgmap->type == MEMORY_DEVICE_GENERIC); +} + static inline bool is_pci_p2pdma_page(const struct page *page) { return IS_ENABLED(CONFIG_DEV_PAGEMAP_OPS) &&