Re: [PATCH] memcg: change behavior of moving charges at task move

Johannes Weiner
2012-03-23T08:53:30Z

On Fri, Mar 23, 2012 at 09:52:28AM +0900, KAMEZAWA Hiroyuki wrote:
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index b2ee6df..ca8b3a1 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -5147,7 +5147,7 @@ static struct page *mc_handle_present_pte(struct vm_area_struct *vma,
> return NULL;
> if (PageAnon(page)) {
> /* we don't move shared anon */
> - if (!move_anon() || page_mapcount(page) > 2)
> + if (!move_anon())
> return NULL;
> } else if (!move_file())
> /* we ignore mapcount for file pages */
> @@ -5158,26 +5158,32 @@ static struct page *mc_handle_present_pte(struct vm_area_struct *vma,
> return page;
> }
>
> +#ifdef CONFFIG_SWAP

That will probably disable it for good :)