On Fri, Jul 13, 2018 at 07:36:32AM +0800, Huang, Ying wrote:
> @@ -1260,7 +1257,6 @@ static void swapcache_free(swp_entry_t entry)
> }
> }
>
> -#ifdef CONFIG_THP_SWAP
> static void swapcache_free_cluster(swp_entry_t entry)
> {
> unsigned long offset = swp_offset(entry);
> @@ -1271,6 +1267,9 @@ static void swapcache_free_cluster(swp_entry_t entry)
> unsigned int i, free_entries = 0;
> unsigned char val;
>
> + if (!IS_ENABLED(CONFIG_THP_SWAP))
> + return;
> +
VM_WARN_ON_ONCE(1) here too?
The rest of the patch looks good.
