diff options
Diffstat (limited to 'tools/perf/lib/mmap.c')
| -rw-r--r-- | tools/perf/lib/mmap.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/lib/mmap.c b/tools/perf/lib/mmap.c index b765e0505bb63..6eb228d892067 100644 --- a/tools/perf/lib/mmap.c +++ b/tools/perf/lib/mmap.c @@ -32,6 +32,16 @@ int perf_mmap__mmap(struct perf_mmap *map, struct perf_mmap_param *mp, return 0; } +void perf_mmap__munmap(struct perf_mmap *map) +{ + if (map && map->base != NULL) { + munmap(map->base, perf_mmap__mmap_len(map)); + map->base = NULL; + map->fd = -1; + refcount_set(&map->refcnt, 0); + } +} + void perf_mmap__get(struct perf_mmap *map) { refcount_inc(&map->refcnt); |