Re: [PATCH] mm/page_alloc: Remove useless parameter of finalise_ac

From: Michal Hocko
Date: Thu May 03 2018 - 03:51:19 EST


On Thu 03-05-18 11:42:09, Huaisheng Ye wrote:
> finalise_ac has parameter order which is not used at all.
> Remove it.
>
> Signed-off-by: Huaisheng Ye <yehs1@xxxxxxxxxx>

Acked-by: Michal Hocko <mhocko@xxxxxxxx>

> ---
> mm/page_alloc.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 905db9d..291e194 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -4326,8 +4326,7 @@ static inline bool prepare_alloc_pages(gfp_t gfp_mask, unsigned int order,
> }
>
> /* Determine whether to spread dirty pages and what the first usable zone */
> -static inline void finalise_ac(gfp_t gfp_mask,
> - unsigned int order, struct alloc_context *ac)
> +static inline void finalise_ac(gfp_t gfp_mask, struct alloc_context *ac)
> {
> /* Dirty zone balancing only done in the fast path */
> ac->spread_dirty_pages = (gfp_mask & __GFP_WRITE);
> @@ -4358,7 +4357,7 @@ struct page *
> if (!prepare_alloc_pages(gfp_mask, order, preferred_nid, nodemask, &ac, &alloc_mask, &alloc_flags))
> return NULL;
>
> - finalise_ac(gfp_mask, order, &ac);
> + finalise_ac(gfp_mask, &ac);
>
> /* First allocation attempt */
> page = get_page_from_freelist(alloc_mask, order, alloc_flags, &ac);
> --
> 1.8.3.1
>

--
Michal Hocko
SUSE Labs