diff options
Diffstat (limited to 'tools/perf/util/map.h')
| -rw-r--r-- | tools/perf/util/map.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index f00f058afb3b..d6445b27d672 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -59,8 +59,20 @@ struct map_groups { struct rb_root maps[MAP__NR_TYPES]; struct list_head removed_maps[MAP__NR_TYPES]; struct machine *machine; + int refcnt; }; +struct map_groups *map_groups__new(void); +void map_groups__delete(struct map_groups *mg); + +static inline struct map_groups *map_groups__get(struct map_groups *mg) +{ + ++mg->refcnt; + return mg; +} + +void map_groups__put(struct map_groups *mg); + static inline struct kmap *map__kmap(struct map *map) { return (struct kmap *)(map + 1); |