From 5ae510e35c54009626999a88f0f1cb34d6dfc94f Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 6 Sep 2014 11:55:48 +0200
Subject: Make vm_map really ignore `address' when `anywhere' is true

As vm_allocate does.

* vm/vm_user.c (vm_map): When `anywhere' is true, set `address' to the
minimum address of the `target_map'.
---
 vm/vm_user.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'vm')

diff --git a/vm/vm_user.c b/vm/vm_user.c
index f7c87cc..1d8f37b 100644
--- a/vm/vm_user.c
+++ b/vm/vm_user.c
@@ -336,7 +336,10 @@ kern_return_t vm_map(
 	if (size == 0)
 		return KERN_INVALID_ARGUMENT;
 
-	*address = trunc_page(*address);
+	if (anywhere)
+		*address = vm_map_min(target_map);
+	else
+		*address = trunc_page(*address);
 	size = round_page(size);
 
 	if (!IP_VALID(memory_object)) {
-- 
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