Don't use pa_to_pvh() if we already have the page. Avoids an unused variable

for non-DIAGNOSTIC kernels.

ok deraadt@

diff --git a/sys/arch/sparc64/sparc64/pmap.c b/sys/arch/sparc64/sparc64/pmap.c
index 25f4a15..1010d31 100644 (file)
--- a/sys/arch/sparc64/sparc64/pmap.c
+++ b/sys/arch/sparc64/sparc64/pmap.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pmap.c,v 1.90 2015/04/09 16:56:52 kettenis Exp $      */
+/*     $OpenBSD: pmap.c,v 1.91 2015/04/10 18:08:31 kettenis Exp $      */
 /*     $NetBSD: pmap.c,v 1.107 2001/08/31 16:47:41 eeh Exp $   */
 #undef NO_VCACHE /* Don't forget the locked TLB in dostart */
 /*
@@ -2805,7 +2805,7 @@ pmap_page_cache(struct pmap *pm, paddr_t pa, int mode)
        if (CPU_ISSUN4US || CPU_ISSUN4V)
                return;
 
-       pv = pa_to_pvh(pa);
+       pv = &pg->mdpage.pvent;
        if (pv == NULL)
                return;