Re: [PATCHv2 1/9] staging: zsmalloc: add gfp flags to zs_create_pool

[Minchan Kim]

Hi Seth, frontswap guys

On Tue, Jan 8, 2013 at 5:24 AM, Seth Jennings
<sjenning@xxxxxxxxxxxxxxxxxx> wrote:
> zs_create_pool() currently takes a gfp flags argument
> that is used when growing the memory pool.  However
> it is not used in allocating the metadata for the pool
> itself.  That is currently hardcoded to GFP_KERNEL.
>
> zswap calls zs_create_pool() at swapon time which is done
> in atomic context, resulting in a "might sleep" warning.

I didn't review this all series, really sorry but totday I saw Nitin
added Acked-by so I'm afraid Greg might get it under my radar. I'm not
strong against but I would like know why we should call frontswap_init
under swap_lock? Is there special reason?

Thanks.
-- 
Kind regards,
Minchan Kim
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