From: kettenis <kettenis@openbsd.org>
Date: Wed, 30 Apr 2014 19:25:14 +0000 (+0000)
Subject: Make sure we flush discarded pages even if the number of hash buckets doesn't
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=4f7816f65bf3006b3134c1b37a404c8d68160916;p=openbsd

Make sure we flush discarded pages even if the number of hash buckets doesn't
change.  From Pedro Martelletto via bitrig.

ok beck@, krw@
---

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;
 	}