linux-kernel - Re: [RFC PATCH] mm, memcg: fix (Re: OOM: Better, but still there on)

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Message-ID: <20161229085233.GD29208@dhcp22.suse.cz>
Date:   Thu, 29 Dec 2016 09:52:33 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Minchan Kim <minchan@...nel.org>
Cc:     Nils Holland <nholland@...ys.org>, Mel Gorman <mgorman@...e.de>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Chris Mason <clm@...com>, David Sterba <dsterba@...e.cz>,
        linux-btrfs@...r.kernel.org
Subject: Re: [RFC PATCH] mm, memcg: fix (Re: OOM: Better, but still there on)

On Thu 29-12-16 09:48:24, Minchan Kim wrote:
> On Thu, Dec 29, 2016 at 09:31:54AM +0900, Minchan Kim wrote:
[...]
> > Acked-by: Minchan Kim <minchan@...nel.org>

Thanks!
 
> Nit:
> 
> WARNING: line over 80 characters
> #53: FILE: include/linux/memcontrol.h:689:
> +unsigned long mem_cgroup_get_zone_lru_size(struct lruvec *lruvec, enum lru_list lru,
> 
> WARNING: line over 80 characters
> #147: FILE: mm/vmscan.c:248:
> +unsigned long lruvec_zone_lru_size(struct lruvec *lruvec, enum lru_list lru, int zone_idx)
> 
> WARNING: line over 80 characters
> #177: FILE: mm/vmscan.c:1446:
> +               mem_cgroup_update_lru_size(lruvec, lru, zid, -nr_zone_taken[zid]);

fixed

> WARNING: line over 80 characters
> #201: FILE: mm/vmscan.c:2099:
> +               inactive_zone = lruvec_zone_lru_size(lruvec, file * LRU_FILE, zid);
> 
> WARNING: line over 80 characters
> #202: FILE: mm/vmscan.c:2100:
> +               active_zone = lruvec_zone_lru_size(lruvec, (file * LRU_FILE) + LRU_ACTIVE, zid);

I would prefer to have those on the same line though. It will make them
easier to follow.

-- 
Michal Hocko
SUSE Labs