pmap: fix PFN() not clearing upper PTE control bits

2026-04-01 18:20:50 +01:00
parent db1a200eea
commit 7bcd1577be
2 changed files with 1 additions and 2 deletions
@@ -19,7 +19,7 @@
 #define PTR_TO_ENTRY(x) (((x) & ~VM_PAGE_MASK) | PTE_PRESENT | PTE_RW | PTE_USR)
 #define ENTRY_TO_PTR(x) ((x) & ~VM_PAGE_MASK)

-#define PFN(x)          ((x) >> VM_PAGE_SHIFT)
+#define PFN(x)          (((x) >> VM_PAGE_SHIFT) & 0xFFFFFFFFFF)

 static int can_use_gbpages = 0;
 static pmap_t kernel_pmap;
@@ -9,7 +9,6 @@
 #include <stddef.h>

 #define PMAP_INVALID ML_PMAP_INVALID
-#define PFN(x)       ((x) >> VM_PAGE_SHIFT)

 #ifdef __cplusplus
 extern "C" {