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-rw-r--r--tools/perf/lib/include/internal/mmap.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/lib/include/internal/mmap.h b/tools/perf/lib/include/internal/mmap.h
index ee536c4441bb..be7556e0a2b2 100644
--- a/tools/perf/lib/include/internal/mmap.h
+++ b/tools/perf/lib/include/internal/mmap.h
@@ -32,6 +32,7 @@ struct perf_mmap {
u64 flush;
libperf_unmap_cb_t unmap_cb;
char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
+ struct perf_mmap *next;
};
struct perf_mmap_param {
@@ -41,8 +42,8 @@ struct perf_mmap_param {
size_t perf_mmap__mmap_len(struct perf_mmap *map);
-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);
int perf_mmap__mmap(struct perf_mmap *map, struct perf_mmap_param *mp,
int fd, int cpu);
void perf_mmap__munmap(struct perf_mmap *map);