--- zzzz-none-000/linux-2.6.39.4/arch/x86/mm/pat.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/arch/x86/mm/pat.c	2021-11-10 13:23:10.000000000 +0000
@@ -7,6 +7,13 @@
  * Loosely based on earlier PAT patchset from Eric Biederman and Andi Kleen.
  */
 
+/******************************************************************
+ 
+ Includes Intel Corporation's changes/modifications dated: 01/2013.
+ Changed/modified portions - Copyright(c) 2013, Intel Corporation. 
+
+******************************************************************/
+
 #include <linux/seq_file.h>
 #include <linux/bootmem.h>
 #include <linux/debugfs.h>
@@ -472,6 +479,10 @@
 	return vma_prot;
 }
 
+#ifdef CONFIG_ARCH_GEN3
+EXPORT_SYMBOL_GPL(phys_mem_access_prot);
+#endif
+
 #ifdef CONFIG_STRICT_DEVMEM
 /* This check is done in drivers/char/mem.c in case of STRICT_DEVMEM*/
 static inline int range_is_allowed(unsigned long pfn, unsigned long size)
@@ -537,6 +548,9 @@
 			     flags);
 	return 1;
 }
+#ifdef CONFIG_ARCH_GEN3
+EXPORT_SYMBOL_GPL(phys_mem_access_prot_allowed);
+#endif
 
 /*
  * Change the memory type for the physial address range in kernel identity