1 files changed, 4 insertions, 4 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 0506cd6e04cc..5f5e7df8302d 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -269,7 +269,7 @@ static void print_sym_table(void)
         }
 }
 
-static void *display_thread(void *arg)
+static void *display_thread(void *arg __used)
 {
         struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
         int delay_msecs = delay_secs * 1000;
@@ -287,7 +287,7 @@ static void *display_thread(void *arg)
 }
 
 /* Tag samples to be skipped. */
-char *skip_symbols[] = {
+static const char *skip_symbols[] = {
         "default_idle",
         "cpu_idle",
         "enter_idle",
@@ -426,7 +426,7 @@ static void process_event(u64 ip, int counter, int user)
 struct mmap_data {
         int                     counter;
         void                    *base;
-        unsigned int            mask;
+        int                     mask;
         unsigned int            prev;
 };
 
@@ -705,7 +705,7 @@ static const struct option options[] = {
         OPT_END()
 };
 
-int cmd_top(int argc, const char **argv, const char *prefix)
+int cmd_top(int argc, const char **argv, const char *prefix __used)
 {
         int counter;