Merge tag 'pm+acpi-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...

[firefly-linux-kernel-4.4.55.git] / tools / perf / util / map.c

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 62ca9f2607d557804a0bc260e74a5e5c5dbc32e1..a14f08f416863944527412b82a6b3cfaeda3c603 100644 (file)
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -778,3 +778,23 @@ struct map *maps__next(struct map *map)
                return rb_entry(next, struct map, rb_node);
        return NULL;
 }
+
+struct kmap *map__kmap(struct map *map)
+{
+       if (!map->dso || !map->dso->kernel) {
+               pr_err("Internal error: map__kmap with a non-kernel map\n");
+               return NULL;
+       }
+       return (struct kmap *)(map + 1);
+}
+
+struct map_groups *map__kmaps(struct map *map)
+{
+       struct kmap *kmap = map__kmap(map);
+
+       if (!kmap || !kmap->kmaps) {
+               pr_err("Internal error: map__kmaps with a non-kernel map\n");
+               return NULL;
+       }
+       return kmap->kmaps;
+}