---
 arch/i386/mm/pageattr.c   |    2 +-
 arch/x86_64/mm/pageattr.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Index: linux/arch/i386/mm/pageattr.c
===================================================================
--- linux.orig/arch/i386/mm/pageattr.c
+++ linux/arch/i386/mm/pageattr.c
@@ -151,7 +151,7 @@ static int __change_page_attr(unsigned l
 		BUG_ON(page_private(kpte_page) == 0);
 		page_private(kpte_page)--;
 	} else
-		BUG();
+		return 0;
 
 	/*
 	 * If the pte was reserved, it means it was created at boot
Index: linux/arch/x86_64/mm/pageattr.c
===================================================================
--- linux.orig/arch/x86_64/mm/pageattr.c
+++ linux/arch/x86_64/mm/pageattr.c
@@ -145,7 +145,7 @@ __change_page_attr(unsigned long address
 		BUG_ON(page_private(kpte_page) == 0);
 		page_private(kpte_page)--;
 	} else
-		BUG();
+		return 0;
 
 	/* on x86-64 the direct mapping set at boot is not using 4k pages */
  	BUG_ON(PageReserved(kpte_page));