perf tools: Use __maybe_used for unused variables

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / tools / perf / builtin-kmem.c

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index ad9f5209738898b483035e5028175fbe078fbe10..f5f8a6b745a3e9bbceccf55d7039c39cf7cf9a37 100644 (file)
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -320,7 +320,7 @@ static int perf_evsel__process_kmem_event(struct perf_evsel *evsel,
        return 0;
 }
 
-static int process_sample_event(struct perf_tool *tool __used,
+static int process_sample_event(struct perf_tool *tool __maybe_unused,
                                union perf_event *event,
                                struct perf_sample *sample,
                                struct perf_evsel *evsel,
@@ -672,8 +672,8 @@ static int setup_sorting(struct list_head *sort_list, const char *arg)
        return 0;
 }
 
-static int parse_sort_opt(const struct option *opt __used,
-                         const char *arg, int unset __used)
+static int parse_sort_opt(const struct option *opt __maybe_unused,
+                         const char *arg, int unset __maybe_unused)
 {
        if (!arg)
                return -1;
@@ -686,22 +686,24 @@ static int parse_sort_opt(const struct option *opt __used,
        return 0;
 }
 
-static int parse_caller_opt(const struct option *opt __used,
-                         const char *arg __used, int unset __used)
+static int parse_caller_opt(const struct option *opt __maybe_unused,
+                           const char *arg __maybe_unused,
+                           int unset __maybe_unused)
 {
        caller_flag = (alloc_flag + 1);
        return 0;
 }
 
-static int parse_alloc_opt(const struct option *opt __used,
-                         const char *arg __used, int unset __used)
+static int parse_alloc_opt(const struct option *opt __maybe_unused,
+                          const char *arg __maybe_unused,
+                          int unset __maybe_unused)
 {
        alloc_flag = (caller_flag + 1);
        return 0;
 }
 
-static int parse_line_opt(const struct option *opt __used,
-                         const char *arg, int unset __used)
+static int parse_line_opt(const struct option *opt __maybe_unused,
+                         const char *arg, int unset __maybe_unused)
 {
        int lines;
 
@@ -771,7 +773,7 @@ static int __cmd_record(int argc, const char **argv)
        return cmd_record(i, rec_argv, NULL);
 }
 
-int cmd_kmem(int argc, const char **argv, const char *prefix __used)
+int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
 {
        argc = parse_options(argc, argv, kmem_options, kmem_usage, 0);