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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Nov 2025 16:45:15.9348 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6c57e7ed-4725-411d-9458-08de2e9d8216 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: DU2PEPF00028D09.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0PR08MB11295 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251128_084525_029146_EAABBD05 X-CRM114-Status: GOOD ( 11.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Kevin, [...] > + > +int kpkeys_protect_pgtable_memory(struct folio *folio) > +{ > + unsigned long addr = (unsigned long)folio_address(folio); I think it might need to use untagged_addr()? > + unsigned int order = folio_order(folio); > + int ret = 0; > + > + if (kpkeys_hardened_pgtables_enabled()) > + ret = set_memory_pkey(addr, 1 << order, KPKEYS_PKEY_PGTABLES); > + > + WARN_ON(ret); > + return ret; > +} > + > +int kpkeys_unprotect_pgtable_memory(struct folio *folio) > +{ > + unsigned long addr = (unsigned long)folio_address(folio); Same here. [...] Thanks. -- Sincerely, Yeoreum Yun