bpf_map_kmalloc_nolock
void *bpf_map_kmalloc_nolock(const struct bpf_map *map, size_t size, gfp_t flags,
storage = bpf_map_kmalloc_nolock(&smap->map, sizeof(*storage),
selem = bpf_map_kmalloc_nolock(&smap->map, smap->elem_size,
cb = bpf_map_kmalloc_nolock(map, size, 0, map->numa_node);