Re: [PATCH v3 07/16] zsmalloc: remove page_mapcount_reset

Sergey Senozhatsky
2016-04-17T14:13:23Z

Hello,

On (03/30/16 16:12), Minchan Kim wrote:
> We don't use page->_mapcount any more so no need to reset.
>
> Signed-off-by: Minchan Kim <minchan@kernel.org>

Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>

-ss

> ---
> mm/zsmalloc.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
> index 4dd72a803568..0f6cce9b9119 100644
> --- a/mm/zsmalloc.c
> +++ b/mm/zsmalloc.c
> @@ -922,7 +922,6 @@ static void reset_page(struct page *page)
> set_page_private(page, 0);
> page->mapping = NULL;
> page->freelist = NULL;
> - page_mapcount_reset(page);
> }
>
> static void free_zspage(struct page *first_page)
> --
> 1.9.1
>