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-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-4k.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h
index ea0414d6659e..bee3643fa097 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h
@@ -53,6 +53,7 @@
/* shift to put page number into pte */
#define PTE_RPN_SHIFT (18)
+#define PTE_RPN_SIZE (39) /* gives 51-bit real addresses */
#define _PAGE_4K_PFN 0
#ifndef __ASSEMBLY__