1 files changed, 17 insertions, 6 deletions

diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index ad8b9733d6b3..d8ed4006b3d2 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -428,6 +428,16 @@ static noinline void pgtable_bad(unsigned long address, struct pt_regs *regs,
 }
 #endif
 
+static int spurious_fault_check(unsigned long error_code, pte_t *pte)
+{
+        if ((error_code & PF_WRITE) && !pte_write(*pte))
+                return 0;
+        if ((error_code & PF_INSTR) && !pte_exec(*pte))
+                return 0;
+
+        return 1;
+}
+
 /*
  * Handle a spurious fault caused by a stale TLB entry.  This allows
  * us to lazily refresh the TLB when increasing the permissions of a
@@ -457,20 +467,21 @@ static int spurious_fault(unsigned long address,
         if (!pud_present(*pud))
                 return 0;
 
+        if (pud_large(*pud))
+                return spurious_fault_check(error_code, (pte_t *) pud);
+
         pmd = pmd_offset(pud, address);
         if (!pmd_present(*pmd))
                 return 0;
 
+        if (pmd_large(*pmd))
+                return spurious_fault_check(error_code, (pte_t *) pmd);
+
         pte = pte_offset_kernel(pmd, address);
         if (!pte_present(*pte))
                 return 0;
 
-        if ((error_code & PF_WRITE) && !pte_write(*pte))
-                return 0;
-        if ((error_code & PF_INSTR) && !pte_exec(*pte))
-                return 0;
-
-        return 1;
+        return spurious_fault_check(error_code, pte);
 }
 
 /*