Re: [PATCH v1 01/10] mm: remove unncessary ret in page_referenced

From: Hillf Danton
Date: Mon Mar 13 2017 - 02:24:38 EST



On March 13, 2017 8:36 AM Minchan Kim wrote:
>
> Anyone doesn't use ret variable. Remove it.
>
> Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
> ---
Acked-by: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>


> mm/rmap.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/mm/rmap.c b/mm/rmap.c
> index 7d24bb9..9dbfa6f 100644
> --- a/mm/rmap.c
> +++ b/mm/rmap.c
> @@ -807,7 +807,6 @@ int page_referenced(struct page *page,
> struct mem_cgroup *memcg,
> unsigned long *vm_flags)
> {
> - int ret;
> int we_locked = 0;
> struct page_referenced_arg pra = {
> .mapcount = total_mapcount(page),
> @@ -841,7 +840,7 @@ int page_referenced(struct page *page,
> rwc.invalid_vma = invalid_page_referenced_vma;
> }
>
> - ret = rmap_walk(page, &rwc);
> + rmap_walk(page, &rwc);
> *vm_flags = pra.vm_flags;
>
> if (we_locked)
> --
> 2.7.4