1 files changed, 9 insertions, 1 deletions

diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h
index fed85e6290e1..cd915d6b093d 100644
--- a/arch/powerpc/include/asm/page_64.h
+++ b/arch/powerpc/include/asm/page_64.h
@@ -78,11 +78,19 @@ extern u64 ppc64_pft_size;
 #define GET_LOW_SLICE_INDEX(addr)       ((addr) >> SLICE_LOW_SHIFT)
 #define GET_HIGH_SLICE_INDEX(addr)      ((addr) >> SLICE_HIGH_SHIFT)
 
+/*
+ * 1 bit per slice and we have one slice per 1TB
+ * Right now we support only 64TB.
+ * IF we change this we will have to change the type
+ * of high_slices
+ */
+#define SLICE_MASK_SIZE 8
+
 #ifndef __ASSEMBLY__
 
 struct slice_mask {
         u16 low_slices;
-        u16 high_slices;
+        u64 high_slices;
 };
 
 struct mm_struct;