From: Matthew Dillon <dillon@apollo.backplane.com>
Date: Thu, 23 Apr 2009 22:18:10 +0000 (-0700)
Subject: Don't call vm_map_findspace() when MAP_TRYFIXED is specified.
X-Git-Tag: v2.3.1~65
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/cadb984bf2529c6bb262250bd3ac9f41193cded7

Don't call vm_map_findspace() when MAP_TRYFIXED is specified.

MAP_TRYFIXED is intended to return the requested address or an error.
---

diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c
index 074798301b..a3260374eb 100644
--- a/sys/vm/vm_map.c
+++ b/sys/vm/vm_map.c
@@ -3035,7 +3035,7 @@ vm_map_stack (vm_map_t map, vm_offset_t addrbos, vm_size_t max_ssize,
 	/*
 	 * Find space for the mapping
 	 */
-	if ((flags & MAP_FIXED) == 0) {
+	if ((flags & (MAP_FIXED | MAP_TRYFIXED)) == 0) {
 		if (vm_map_findspace(map, addrbos, max_ssize, 1,
 				     flags, &tmpaddr)) {
 			vm_map_unlock(map);