1 files changed, 12 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index 300ec04a8381..7e6f2ede44ac 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -101,4 +101,16 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
         return rb;
 }
 
+static inline unsigned long hpte_page_size(unsigned long h, unsigned long l)
+{
+        /* only handle 4k, 64k and 16M pages for now */
+        if (!(h & HPTE_V_LARGE))
+                return 1ul << 12;               /* 4k page */
+        if ((l & 0xf000) == 0x1000 && cpu_has_feature(CPU_FTR_ARCH_206))
+                return 1ul << 16;               /* 64k page */
+        if ((l & 0xff000) == 0)
+                return 1ul << 24;               /* 16M page */
+        return 0;                               /* error */
+}
+
 #endif /* __ASM_KVM_BOOK3S_64_H__ */