Subject: [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm

From: [email-masked] (Will Deacon)
Date: Thu, 3 Jul 2014 19:10:59 +0100

On Wed, Jul 02, 2014 at 07:03:34PM +0100, Laura Abbott wrote:
> 
> One of the more common algorithms used for allocation
> is to align the start address of the allocation to
> the order of size requested. Add this as an algorithm
> option for genalloc.
> 
> Signed-off-by: Laura Abbott <[email-masked]>
> ---
>  include/linux/genalloc.h |  4 ++++
>  lib/genalloc.c           | 20 ++++++++++++++++++++
>  2 files changed, 24 insertions(+)
> 
> diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h
> index 1c2fdaa..3cd0934 100644
> --- a/include/linux/genalloc.h
> +++ b/include/linux/genalloc.h
> @@ -110,6 +110,10 @@ extern void gen_pool_set_algo(struct gen_pool *pool, genpool_algo_t algo,
>  extern unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size,
>  		unsigned long start, unsigned int nr, void *data);
>  
> +extern unsigned long gen_pool_first_fit_order_align(unsigned long *map,
> +		unsigned long size, unsigned long start, unsigned int nr,
> +		void *data);
> +

You could also update gen_pool_first_fit to call this new function instead.

Anyway, that's up to you:

  Acked-by: Will Deacon <[email-masked]>

Will