diff --git archive_files/common/lib/modules/fglrx/build_mod/firegl_public.c archive_files/common/lib/modules/fglrx/build_mod/firegl_public.c
index b2c9e7c..2e9a112 100755
--- archive_files/common/lib/modules/fglrx/build_mod/firegl_public.c
+++ archive_files/common/lib/modules/fglrx/build_mod/firegl_public.c
@@ -208,6 +208,10 @@
 #include <linux/sched/signal.h>
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+#include <asm/set_memory.h>
+#endif
+
 #include "firegl_public.h"
 #include "kcl_osconfig.h"
 #include "kcl_io.h"
@@ -2752,6 +2756,9 @@ int ATI_API_CALL KCL_MEM_VerifyWriteAccess(void* addr, kcl_size_t size)
 unsigned long ATI_API_CALL KCL_GetInitKerPte(unsigned long address)
 {
     pgd_t *pgd_p;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    p4d_t *p4d_p;
+#endif
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
     pud_t *pud_p;
 #endif
@@ -2766,7 +2773,13 @@ unsigned long ATI_API_CALL KCL_GetInitKerPte(unsigned long address)
 #endif
     PGD_PRESENT(pgd_p);
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    P4D_OFFSET(p4d_p, pgd_p, address);
+    P4D_PRESENT(p4d_p);
+    PUD_OFFSET(pud_p, p4d_p, address);
+#else
     PUD_OFFSET(pud_p, pgd_p, address);
+#endif
     PUD_PRESENT(pud_p);
     PMD_OFFSET(pmd_p, pud_p, address);
 #else
@@ -2823,6 +2836,9 @@ unsigned long ATI_API_CALL KCL_GetPageTableByVirtAddr(
         unsigned long * page_addr)
 {
     pgd_t* pgd_p;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    p4d_t *p4d_p;
+#endif
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
     pud_t* pud_p;
 #endif
@@ -2835,7 +2851,13 @@ unsigned long ATI_API_CALL KCL_GetPageTableByVirtAddr(
     KCL_DEBUG2(FN_FIREGL_KCL,"pgd_p=0x%08lx\n", (unsigned long)pgd_p);
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    P4D_OFFSET(p4d_p, pgd_p, virtual_addr);
+    P4D_PRESENT(p4d_p);
+    PUD_OFFSET(pud_p, p4d_p, virtual_addr);
+#else
     PUD_OFFSET(pud_p, pgd_p, virtual_addr);
+#endif
     PUD_PRESENT(pud_p);
     KCL_DEBUG2(FN_FIREGL_KCL,"pud_p=0x%08lx\n", (unsigned long)pud_p);
     PMD_OFFSET(pmd_p, pud_p, virtual_addr);
@@ -2892,6 +2914,9 @@ unsigned int ATI_API_CALL KCL_GetPageSizeByVirtAddr(
         unsigned int  * page_size)
 {
     pgd_t* pgd_p;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    p4d_t *p4d_p;
+#endif
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
     pud_t* pud_p;
 #endif
@@ -2904,7 +2929,13 @@ unsigned int ATI_API_CALL KCL_GetPageSizeByVirtAddr(
     KCL_DEBUG2(FN_FIREGL_KCL,"pgd_p=0x%08lx\n", (unsigned long)pgd_p);
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    P4D_OFFSET(p4d_p, pgd_p, virtual_addr);
+    P4D_PRESENT(p4d_p);
+    PUD_OFFSET(pud_p, p4d_p, virtual_addr);
+#else
     PUD_OFFSET(pud_p, pgd_p, virtual_addr);
+#endif
     PUD_PRESENT(pud_p);
     KCL_DEBUG2(FN_FIREGL_KCL,"pud_p=0x%08lx\n", (unsigned long)pud_p);
     PMD_OFFSET(pmd_p, pud_p, virtual_addr);
@@ -3083,6 +3114,9 @@ int ATI_API_CALL KCL_TestAndClearPageDirtyFlag(unsigned long virtual_addr, unsig
 {
     int ret = -1; // init with page not present
     pgd_t* pgd_p;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    p4d_t *p4d_p;
+#endif
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
     pud_t* pud_p;
 #endif
@@ -3135,7 +3169,16 @@ int ATI_API_CALL KCL_TestAndClearPageDirtyFlag(unsigned long virtual_addr, unsig
          KCL_DEBUG1(FN_FIREGL_KCL,"pgd_p=0x%08lx\n", (unsigned long)pgd_p);
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
-         PUD_OFFSET(pud_p, pgd_p, page_addr);
+        #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+        P4D_OFFSET(p4d_p, pgd_p, page_addr);
+        if (!p4d_present(*p4d_p)) {
+            KCL_DEBUG1(FN_FIREGL_KCL,"ERROR: !p4d_present\n");
+            continue;
+        }
+        PUD_OFFSET(pud_p, p4d_p, page_addr);
+        #else
+        PUD_OFFSET(pud_p, pgd_p, page_addr);
+        #endif
          if (!pud_present(*pud_p))
          {
              KCL_DEBUG1(FN_FIREGL_KCL,"ERROR: !pud_present\n");
@@ -4077,6 +4120,9 @@ char* ATI_API_CALL KCL_MEM_VM_GetRegionPhysAddrStr(struct vm_area_struct* vma,
                             kcl_dma_addr_t* phys_address)
 {
     pgd_t* pgd_p;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    p4d_t *p4d_p;
+#endif
     pmd_t* pmd_p;
     pte_t  pte;
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
@@ -4090,7 +4136,17 @@ char* ATI_API_CALL KCL_MEM_VM_GetRegionPhysAddrStr(struct vm_area_struct* vma,
         return buf;
     }
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
+    #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+    p4d_p = p4d_offset(pgd_p, virtual_addr);
+    if (!p4d_present(*p4d_p))
+    {
+        *buf = 0;
+        return buf;
+    }
+    pud_p = pud_offset(p4d_p, virtual_addr);
+    #else
     pud_p = pud_offset(pgd_p, virtual_addr);
+    #endif
     if (!pud_present(*pud_p))
     {
         *buf = 0;
diff --git archive_files/common/lib/modules/fglrx/build_mod/firegl_public.h archive_files/common/lib/modules/fglrx/build_mod/firegl_public.h
index 14e25f9..aca2940 100755
--- archive_files/common/lib/modules/fglrx/build_mod/firegl_public.h
+++ archive_files/common/lib/modules/fglrx/build_mod/firegl_public.h
@@ -91,6 +91,23 @@ do { \
     } \
 } while(0)
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+#define P4D_OFFSET(p4d_p, pgd_p, pte_linear)  \
+do { \
+    p4d_p = p4d_offset(pgd_p, pte_linear); \
+} while(0)
+
+#define P4D_PRESENT(p4d_p) \
+do { \
+    if (!p4d_present(*(p4d_p))) \
+    { \
+        return PAGING_FAULT_SIGBUS_INT;   /* Something bad happened; generate SIGBUS */ \
+        /* alternatively we could generate a NOPAGE_OOM "out of memory" */ \
+    } \
+} while(0)
+
+#endif // LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)
+
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
 #define PUD_PRESENT(pud_p) \
 do { \