From 7a5f63430e4309995114391d4d3e8b31b507f321 Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Wed, 7 Jun 2006 17:14:48 +0000
Subject: [PATCH] Properly synchronize access to the pmap in
 pmap_extract_and_hold().

Eliminate an unneeded variable from pmap_extract_and_hold().

Tested by: cognet@
---
 sys/arm/arm/pmap.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sys/arm/arm/pmap.c b/sys/arm/arm/pmap.c
index f91a7f0a91f2..90168480c196 100644
--- a/sys/arm/arm/pmap.c
+++ b/sys/arm/arm/pmap.c
@@ -3720,17 +3720,16 @@ vm_page_t
 pmap_extract_and_hold(pmap_t pmap, vm_offset_t va, vm_prot_t prot)
 {
 	struct l2_dtable *l2;
-	pd_entry_t *pl1pd, l1pd;
+	pd_entry_t l1pd;
 	pt_entry_t *ptep, pte;
 	vm_paddr_t pa;
 	vm_page_t m = NULL;
 	u_int l1idx;
 	l1idx = L1_IDX(va);
-	pl1pd = &pmap->pm_l1->l1_kva[l1idx];
-	l1pd = *pl1pd;
 
 	vm_page_lock_queues();
  	PMAP_LOCK(pmap);
+	l1pd = pmap->pm_l1->l1_kva[l1idx];
 	if (l1pte_section_p(l1pd)) {
 		/*
 		 * These should only happen for pmap_kernel()