From: Matthew Dillon <dillon@apollo.backplane.com>
Date: Wed, 30 Nov 2011 22:28:25 +0000 (-0800)
Subject: kernel - Fix minor bug in last swapcache commit
X-Git-Tag: v3.0.0~523
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/7a175765de62a14e3e3d660aac14f91810647a4e

kernel - Fix minor bug in last swapcache commit

* Fix an issue where the marker could get stuck at the end of the
  vm_object_list and stop the cleaning process.
---

diff --git a/sys/vm/vm_swapcache.c b/sys/vm/vm_swapcache.c
index 702ade4384..38aaf9b353 100644
--- a/sys/vm/vm_swapcache.c
+++ b/sys/vm/vm_swapcache.c
@@ -737,6 +737,14 @@ vm_swapcache_cleaning(vm_object_t marker)
 		if (count < 0)
 			break;
 	}
+
+	/*
+	 * If we wound up at the end of the list this will move the
+	 * marker back to the beginning.
+	 */
+	if (object == NULL)
+		vm_swapcache_movemarker(marker, NULL);
+
 	lwkt_reltoken(&vmobj_token);
 }