1 files changed, 1 insertions, 2 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index a0174a40c563..457dd8c97e0d 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -147,8 +147,7 @@ static int __init set_ftrace_dump_on_oops(char *str)
 }
 __setup("ftrace_dump_on_oops", set_ftrace_dump_on_oops);
 
-long
-ns2usecs(cycle_t nsec)
+unsigned long long ns2usecs(cycle_t nsec)
 {
         nsec += 500;
         do_div(nsec, 1000);