diff --git a/[refs] b/[refs]
index 3208b305dfd9..56b2dfd07b15 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fd12a0d69aee6d90fa9b9890db24368a897f8423
+refs/heads/master: 55a6ca25472ee01574bfc24d23b7f5fa09cc38cf
diff --git a/trunk/arch/x86/include/asm/pgtable.h b/trunk/arch/x86/include/asm/pgtable.h
index af6fd360ab35..1de2094d2e57 100644
--- a/trunk/arch/x86/include/asm/pgtable.h
+++ b/trunk/arch/x86/include/asm/pgtable.h
@@ -16,6 +16,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/x86_init.h>
+
 /*
  * ZERO_PAGE is a global shared page that is always zero: used
  * for zero-mapped memory areas etc..
@@ -270,9 +272,9 @@ static inline int is_new_memtype_allowed(u64 paddr, unsigned long size,
 					 unsigned long new_flags)
 {
 	/*
-	 * PAT type is always WB for ISA. So no need to check.
+	 * PAT type is always WB for untracked ranges, so no need to check.
 	 */
-	if (is_ISA_range(paddr, paddr + size - 1))
+	if (x86_platform.is_untracked_pat_range(paddr, paddr + size - 1))
 		return 1;
 
 	/*