Re: [PATCH] memcg, vmscan: Do not wait for writeback if killed

[Andrew Morton]

On Thu, 3 Dec 2015 10:08:26 +0100 Michal Hocko <mhocko@xxxxxxxxxx> wrote:

> So you think a comment would be sufficient?
> ---
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 98a1934493af..2e8ee9e5fcb5 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -1031,9 +1031,12 @@ static unsigned long shrink_page_list(struct list_head *page_list,
>  				/*
>  				 * We've got killed while waiting here so
>  				 * expedite our way out from the reclaim
> +				 *
> +				 * Our callers should make sure we do not
> +				 * get here with fatal signals again.
>  				 */

Seems OK.  s/should/must/

Please resend it all after the usual exhaustive testing ;)
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