From ddd6e7d2abffb5c191e958593f4f3918678b285c Mon Sep 17 00:00:00 2001
From: Alan Cox <alc@FreeBSD.org>
Date: Wed, 21 Nov 2007 23:22:10 +0000
Subject: [PATCH] When reactivating a cached page, reset the page's pool to the
 default pool.  (Not doing this before was a performance pessimization but not
 a cause for panic.)

---
 sys/vm/vm_page.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 8f186fee9b9..e199f06cf6b 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -1044,6 +1044,7 @@ vm_page_alloc(vm_object_t object, vm_pindex_t pindex, int req)
 				return (NULL);
 			}
 			vm_phys_unfree_page(m);
+			vm_phys_set_pool(VM_FREEPOOL_DEFAULT, m, 0);
 		} else if ((req & VM_ALLOC_IFCACHED) != 0) {
 			mtx_unlock(&vm_page_queue_free_mtx);
 			return (NULL);