On Mon, Apr 06, 2020 at 11:48:54PM +0800, Yafang Shao wrote:
> @@ -2717,8 +2717,12 @@ static int memcg_alloc_cache_id(void)
>
> id = ida_simple_get(&memcg_cache_ida,
> 0, MEMCG_CACHES_MAX_SIZE, GFP_KERNEL);
> - if (id < 0)
> + if (id < 0) {
> + if (id == -ENOSPC)
> + id = -EBUSY;
> +
> return id;
> + }
This seems more complex than my original suggestion?
