[src/trunk]: src/sys/arch/arm/arm32 Always call pmap_grow_map with a page ali...

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

details:   https://anonhg.NetBSD.org/src/rev/876dc336a8fb
branches:  trunk
changeset: 1006999:876dc336a8fb
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sun Feb 02 08:19:15 2020 +0000

description:
Always call pmap_grow_map with a page aligned new VA.  KASSERT that this
happenes.

diffstat:

 sys/arch/arm/arm32/pmap.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (36 lines):

diff -r bc9bfddb31c8 -r 876dc336a8fb sys/arch/arm/arm32/pmap.c
--- a/sys/arch/arm/arm32/pmap.c Sun Feb 02 08:16:40 2020 +0000
+++ b/sys/arch/arm/arm32/pmap.c Sun Feb 02 08:19:15 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.385 2020/02/02 08:16:40 skrll Exp $ */
+/*     $NetBSD: pmap.c,v 1.386 2020/02/02 08:19:15 skrll Exp $ */
 
 /*
  * Copyright 2003 Wasabi Systems, Inc.
@@ -198,7 +198,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.385 2020/02/02 08:16:40 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.386 2020/02/02 08:19:15 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -5800,6 +5800,8 @@
 {
        paddr_t pa;
 
+       KASSERT((va & PGOFSET) == 0);
+
        if (uvm.page_init_done == false) {
 #ifdef PMAP_STEAL_MEMORY
                pv_addr_t pv;
@@ -5886,7 +5888,7 @@
                         * The new l2_dtable straddles a page boundary.
                         * Map in another page to cover it.
                         */
-                       if (pmap_grow_map(nva, NULL))
+                       if (pmap_grow_map(nva & ~PGOFSET, NULL))
                                return (NULL);
                }