From 8eaddab161450bdf7b0a3dbdfddefbf4e7bd9341 Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Sun, 28 Dec 2003 05:10:21 +0000
Subject: [PATCH] Don't bother clearing and setting PG_BUSY on page table
 directory pages.

---
 sys/i386/i386/pmap.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index dfaf6999ccf..2b51489b26c 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -1064,9 +1064,6 @@ pmap_pinit(pmap)
 		if (m == NULL)
 			VM_WAIT;
 		else {
-			vm_page_lock_queues();
-			vm_page_flag_clear(m, PG_BUSY);
-			vm_page_unlock_queues();
 			ptdpg[i++] = m;
 		}
 	}
@@ -1350,7 +1347,6 @@ pmap_release(pmap_t pmap)
 #endif
 		m->wire_count--;
 		atomic_subtract_int(&cnt.v_wire_count, 1);
-		vm_page_busy(m);
 		vm_page_free_zero(m);
 	}
 	vm_page_unlock_queues();