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-rw-r--r--tools/lib/bpf/libbpf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 3b0b88c3377d..fc41c3f2e983 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1283,7 +1283,7 @@ static size_t bpf_map_mmap_sz(const struct bpf_map *map)
long page_sz = sysconf(_SC_PAGE_SIZE);
size_t map_sz;
- map_sz = roundup(map->def.value_size, 8) * map->def.max_entries;
+ map_sz = (size_t)roundup(map->def.value_size, 8) * map->def.max_entries;
map_sz = roundup(map_sz, page_sz);
return map_sz;
}