X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Farch%2Fpowerpc%2Finclude%2Fasm%2Fpgtable-ppc64.h;h=88d27e3258d2b5fde4179e341b92266b0b30a851;hb=refs%2Fchanges%2F53%2F2653%2F1;hp=43e6ad424c7fc30503db061360fbd1565811b17d;hpb=342fa5dfa053559f47caad657132522496dcf1b3;p=kvmfornfv.git

diff --git a/kernel/arch/powerpc/include/asm/pgtable-ppc64.h b/kernel/arch/powerpc/include/asm/pgtable-ppc64.h
index 43e6ad424..88d27e325 100644
--- a/kernel/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/kernel/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -135,7 +135,19 @@
 #define pte_iterate_hashed_end() } while(0)
 
 #ifdef CONFIG_PPC_HAS_HASH_64K
-#define pte_pagesize_index(mm, addr, pte)	get_slice_psize(mm, addr)
+/*
+ * We expect this to be called only for user addresses or kernel virtual
+ * addresses other than the linear mapping.
+ */
+#define pte_pagesize_index(mm, addr, pte)			\
+	({							\
+		unsigned int psize;				\
+		if (is_kernel_addr(addr))			\
+			psize = MMU_PAGE_4K;			\
+		else						\
+			psize = get_slice_psize(mm, addr);	\
+		psize;						\
+	})
 #else
 #define pte_pagesize_index(mm, addr, pte)	MMU_PAGE_4K
 #endif