From 8c12d6f745dfd6804ef9f4cb65ede61dd5f87582 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Tue, 21 Apr 2009 09:41:26 -0400
Subject: [PATCH] --- yaml --- r: 146049 b: refs/heads/master c:
 3554228d4289098a8fe5cfd87512ec32a19bbe5a h: refs/heads/master i:   146047:
 f3b31eaaa65937f132efd4b8ca1f00bfe0566c93 v: v3

---
 [refs]                           | 2 +-
 trunk/kernel/trace/ring_buffer.c | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index f63ffc8a9838..7f3c0aebde50 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f66578a7637b87810cbb9041c4e3a77fd2fa4706
+refs/heads/master: 3554228d4289098a8fe5cfd87512ec32a19bbe5a
diff --git a/trunk/kernel/trace/ring_buffer.c b/trunk/kernel/trace/ring_buffer.c
index 7bcfd3e60537..61dbdf21cd32 100644
--- a/trunk/kernel/trace/ring_buffer.c
+++ b/trunk/kernel/trace/ring_buffer.c
@@ -1241,7 +1241,8 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
 		 * about it.
 		 */
 		if (unlikely(next_page == commit_page)) {
-			WARN_ON_ONCE(1);
+			/* This can easily happen on small ring buffers */
+			WARN_ON_ONCE(buffer->pages > 2);
 			goto out_reset;
 		}