[PATCH 1/1] libperf: Make perf_cpu_map__alloc() available as an internal function for tools/perf to use

[Ian Rogers]

We had the open coded equivalent in perf_cpu_map__empty_new(), so reuse
what is in libperf.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexey Bayduraev <alexey.v.bayduraev@xxxxxxxxxxxxxxx>
Cc: Dmitriy Vyukov <dvyukov@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Riccardo Mancini <rickyman7@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Stephen Brennan <stephen.s.brennan@xxxxxxxxxx>
Link: https://lore.kernel.org/lkml/20230407230405.2931830-3-irogers@xxxxxxxxxx
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/lib/perf/cpumap.c                  | 2 +-
 tools/lib/perf/include/internal/cpumap.h | 1 +
 tools/perf/util/cpumap.c                 | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c
index 6cd0be7c1bb438e5..0833423c243b9b49 100644
--- a/tools/lib/perf/cpumap.c
+++ b/tools/lib/perf/cpumap.c
@@ -10,7 +10,7 @@
 #include <ctype.h>
 #include <limits.h>
 
-static struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus)
+struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus)
 {
 	struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(struct perf_cpu) * nr_cpus);
 
diff --git a/tools/lib/perf/include/internal/cpumap.h b/tools/lib/perf/include/internal/cpumap.h
index 35dd29642296e660..f5bffb1f86748ca2 100644
--- a/tools/lib/perf/include/internal/cpumap.h
+++ b/tools/lib/perf/include/internal/cpumap.h
@@ -24,6 +24,7 @@ struct perf_cpu_map {
 #define MAX_NR_CPUS	2048
 #endif
 
+struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus);
 int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu);
 bool perf_cpu_map__is_subset(const struct perf_cpu_map *a, const struct perf_cpu_map *b);
 
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index c8484b75413ef709..072831f0cad46065 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -160,7 +160,7 @@ size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp)
 
 struct perf_cpu_map *perf_cpu_map__empty_new(int nr)
 {
-	struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(int) * nr);
+	struct perf_cpu_map *cpus = perf_cpu_map__alloc(nr);
 
 	if (cpus != NULL) {
 		int i;
-- 
2.39.2