[PATCH] kmemtrace: add kmemtrace_init()

[Ingo Molnar]

Impact: build fix

leftover from the relayfs version - but we want to keep it because
this call is the earliest opportunity when we can start kmemtrace
tracing. (after kmem_cache_init()).

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 kernel/trace/kmemtrace.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/kernel/trace/kmemtrace.c b/kernel/trace/kmemtrace.c
index 2bfdcd3..faaa5ae 100644
--- a/kernel/trace/kmemtrace.c
+++ b/kernel/trace/kmemtrace.c
@@ -337,6 +337,11 @@ static struct tracer kmem_tracer __read_mostly = {
 	.flags		= &kmem_tracer_flags
 };
 
+void kmemtrace_init(void)
+{
+	/* earliest opportunity to start kmem tracing */
+}
+
 static int __init init_kmem_tracer(void)
 {
 	return register_tracer(&kmem_tracer);
--
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