MIPS: Add hugetlbfs page defines.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
index 51b34a4..1073e6d 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -72,6 +72,7 @@
 #else
 
 #define _PAGE_R4KBUG                (1<<5)  /* workaround for r4k bug  */
+#define _PAGE_HUGE                  (1<<5)  /* huge tlb page */
 #define _PAGE_GLOBAL                (1<<6)
 #define _PAGE_VALID                 (1<<7)
 #define _PAGE_SILENT_READ           (1<<7)  /* synonym                 */