From 4f7816f65bf3006b3134c1b37a404c8d68160916 Mon Sep 17 00:00:00 2001
From: kettenis <kettenis@openbsd.org>
Date: Wed, 30 Apr 2014 19:25:14 +0000
Subject: [PATCH] Make sure we flush discarded pages even if the number of hash
 buckets doesn't change.  From Pedro Martelletto via bitrig.

ok beck@, krw@
---
 sys/uvm/uvm_aobj.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/uvm/uvm_aobj.c b/sys/uvm/uvm_aobj.c
index 6249c8509eb..173d469f584 100644
--- a/sys/uvm/uvm_aobj.c
+++ b/sys/uvm/uvm_aobj.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uvm_aobj.c,v 1.62 2014/04/30 16:07:31 kettenis Exp $	*/
+/*	$OpenBSD: uvm_aobj.c,v 1.63 2014/04/30 19:25:14 kettenis Exp $	*/
 /*	$NetBSD: uvm_aobj.c,v 1.39 2001/02/18 21:19:08 chs Exp $	*/
 
 /*
@@ -442,6 +442,7 @@ uao_shrink_hash(struct uvm_object *uobj, int pages)
 	 * to adjust the page count.
 	 */
 	if (UAO_SWHASH_BUCKETS(aobj->u_pages) == UAO_SWHASH_BUCKETS(pages)) {
+		uao_shrink_flush(uobj, pages, aobj->u_pages);
 		aobj->u_pages = pages;
 		return 0;
 	}
-- 
2.20.1