MIPS: Transparent Huge Pages support
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 1e2642c..9ce1ac7 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -137,8 +137,17 @@
#define _PAGE_HUGE ({BUG(); 1; }) /* Dummy value */
#endif
+#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
+/* huge tlb page */
+#define _PAGE_SPLITTING_SHIFT (_PAGE_HUGE_SHIFT + 1)
+#define _PAGE_SPLITTING (1 << _PAGE_SPLITTING_SHIFT)
+#else
+#define _PAGE_SPLITTING_SHIFT (_PAGE_HUGE_SHIFT)
+#define _PAGE_SPLITTING ({BUG(); 1; }) /* Dummy value */
+#endif
+
/* Page cannot be executed */
-#define _PAGE_NO_EXEC_SHIFT (cpu_has_rixi ? _PAGE_HUGE_SHIFT + 1 : _PAGE_HUGE_SHIFT)
+#define _PAGE_NO_EXEC_SHIFT (cpu_has_rixi ? _PAGE_SPLITTING_SHIFT + 1 : _PAGE_SPLITTING_SHIFT)
#define _PAGE_NO_EXEC ({BUG_ON(!cpu_has_rixi); 1 << _PAGE_NO_EXEC_SHIFT; })
/* Page cannot be read */