[src/trunk]: src/sys/uvm/pmap Provide and use PV_ISKENTER_P. NFCI.

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9e4d5f727605
branches:  trunk
changeset: 1000181:9e4d5f727605
user:      skrll <skrll%NetBSD.org@localhost>
date:      Fri Jul 12 10:39:12 2019 +0000

description:
Provide and use PV_ISKENTER_P.  NFCI.

diffstat:

 sys/uvm/pmap/pmap.c     |  10 +++++-----
 sys/uvm/pmap/vmpagemd.h |   4 +++-
 2 files changed, 8 insertions(+), 6 deletions(-)

diffs (63 lines):

diff -r 151fcba400d0 -r 9e4d5f727605 sys/uvm/pmap/pmap.c
--- a/sys/uvm/pmap/pmap.c       Fri Jul 12 06:44:49 2019 +0000
+++ b/sys/uvm/pmap/pmap.c       Fri Jul 12 10:39:12 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.41 2019/06/19 09:56:17 skrll Exp $  */
+/*     $NetBSD: pmap.c,v 1.42 2019/07/12 10:39:12 skrll Exp $  */
 
 /*-
  * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
@@ -67,7 +67,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.41 2019/06/19 09:56:17 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.42 2019/07/12 10:39:12 skrll Exp $");
 
 /*
  *     Manages physical address maps.
@@ -722,7 +722,7 @@
        for (; pv != NULL; pv = npv) {
                npv = pv->pv_next;
 #ifdef PMAP_VIRTUAL_CACHE_ALIASES
-               if (pv->pv_va & PV_KENTER) {
+               if (PV_ISKENTER_P(pv)) {
                        UVMHIST_LOG(pmaphist, " pv %#jx pmap %#jx va %jx"
                            " skip", (uintptr_t)pv, (uintptr_t)pv->pv_pmap,
                            pv->pv_va, 0);
@@ -988,7 +988,7 @@
                if (pv->pv_pmap != NULL) {
                        while (pv != NULL) {
 #ifdef PMAP_VIRTUAL_CACHE_ALIASES
-                               if (pv->pv_va & PV_KENTER) {
+                               if (PV_ISKENTER_P(pv)) {
                                        pv = pv->pv_next;
                                        continue;
                                }
@@ -1664,7 +1664,7 @@
 
                pv_next = pv->pv_next;
 #ifdef PMAP_VIRTUAL_CACHE_ALIASES
-               if (pv->pv_va & PV_KENTER)
+               if (PV_ISKENTER_P(pv))
                        continue;
 #endif
                pt_entry_t * const ptep = pmap_pte_lookup(pmap, va);
diff -r 151fcba400d0 -r 9e4d5f727605 sys/uvm/pmap/vmpagemd.h
--- a/sys/uvm/pmap/vmpagemd.h   Fri Jul 12 06:44:49 2019 +0000
+++ b/sys/uvm/pmap/vmpagemd.h   Fri Jul 12 10:39:12 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vmpagemd.h,v 1.11 2019/06/19 12:55:01 christos Exp $   */
+/*     $NetBSD: vmpagemd.h,v 1.12 2019/07/12 10:39:12 skrll Exp $      */
 
 /*-
  * Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -63,6 +63,8 @@
 #define        PV_KENTER               __BIT(0)
 } *pv_entry_t;
 
+#define        PV_ISKENTER_P(pv)       (((pv->pv_va) & PV_KENTER) != 0)
+
 #ifndef _MODULE
 
 #define        VM_PAGEMD_REFERENCED    __BIT(0)        /* page has been referenced */