Remove size_t -> unsigned -> size_t conversion.
diff --git a/src/arena.c b/src/arena.c
index 75a92ed..488bfd4 100644
--- a/src/arena.c
+++ b/src/arena.c
@@ -131,8 +131,7 @@
assert(slab_data->nfree > 0);
assert(!bitmap_full(slab_data->bitmap, &bin_info->bitmap_info));
- regind = (unsigned)bitmap_sfu(slab_data->bitmap,
- &bin_info->bitmap_info);
+ regind = bitmap_sfu(slab_data->bitmap, &bin_info->bitmap_info);
ret = (void *)((uintptr_t)extent_addr_get(slab) +
(uintptr_t)(bin_info->reg_size * regind));
slab_data->nfree--;