diff options
Diffstat (limited to 'tools/perf/lib/mmap.c')
| -rw-r--r-- | tools/perf/lib/mmap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/lib/mmap.c b/tools/perf/lib/mmap.c index 0752c193b0fb..79d5ed6c38cc 100644 --- a/tools/perf/lib/mmap.c +++ b/tools/perf/lib/mmap.c @@ -13,13 +13,15 @@ #include <linux/kernel.h> #include "internal.h" -void perf_mmap__init(struct perf_mmap *map, bool overwrite, - libperf_unmap_cb_t unmap_cb) +void perf_mmap__init(struct perf_mmap *map, struct perf_mmap *prev, + bool overwrite, libperf_unmap_cb_t unmap_cb) { map->fd = -1; map->overwrite = overwrite; map->unmap_cb = unmap_cb; refcount_set(&map->refcnt, 0); + if (prev) + prev->next = map; } size_t perf_mmap__mmap_len(struct perf_mmap *map) |