From 3408237087d657b4cab0e5c12181e5475d334a8c Mon Sep 17 00:00:00 2001
From: Mark Johnston <markj@FreeBSD.org>
Date: Sun, 14 Aug 2016 19:02:57 +0000
Subject: [PATCH] MFC r303059 Release the second critical section in
 uma_zfree_arg() slightly earlier.

---
 sys/vm/uma_core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sys/vm/uma_core.c b/sys/vm/uma_core.c
index ee0b2071f4db..11dceebb796a 100644
--- a/sys/vm/uma_core.c
+++ b/sys/vm/uma_core.c
@@ -2770,6 +2770,8 @@ zfree_start:
 		goto zfree_start;
 	}
 	cache->uc_freebucket = NULL;
+	/* We are no longer associated with this CPU. */
+	critical_exit();
 
 	/* Can we throw this on the zone full list? */
 	if (bucket != NULL) {
@@ -2782,9 +2784,6 @@ zfree_start:
 		LIST_INSERT_HEAD(&zone->uz_buckets, bucket, ub_link);
 	}
 
-	/* We are no longer associated with this CPU. */
-	critical_exit();
-
 	/*
 	 * We bump the uz count when the cache size is insufficient to
 	 * handle the working set.