diff options
Diffstat (limited to 'tools/perf/util/mmap.c')
| -rw-r--r-- | tools/perf/util/mmap.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c index 512dc8b9c168..23ecdba9e670 100644 --- a/tools/perf/util/mmap.c +++ b/tools/perf/util/mmap.c @@ -350,3 +350,14 @@ int perf_mmap__push(struct mmap *md, void *to, out: return rc; } + +int mmap_cpu_mask__duplicate(struct mmap_cpu_mask *original, struct mmap_cpu_mask *clone) +{ + clone->nbits = original->nbits; + clone->bits = bitmap_zalloc(original->nbits); + if (!clone->bits) + return -ENOMEM; + + memcpy(clone->bits, original->bits, MMAP_CPU_MASK_BYTES(original)); + return 0; +} |