diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 3b4651b6ee0559c9d15f54cb86a816801aa8486f..38b5927b3629f6c49bed8a84d6d0b439523da2f5 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -305,7 +305,8 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 	flags = 0;
 
 	/* Make pHyp happy */
-	if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE))
+	if ((rflags & _PAGE_GUARDED) ||
+	    ((rflags & _PAGE_NO_CACHE) & !(rflags & _PAGE_WRITETHRU)))
 		hpte_r &= ~_PAGE_COHERENT;
 
 	lpar_rc = plpar_pte_enter(flags, hpte_group, hpte_v, hpte_r, &slot);