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From: Michal Hocko <mhocko@kernel.org>
To: Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Shaohua Li <shli@fb.com>, Ben Hutchings <ben@decadent.org.uk>,
	Vladimir Davydov <vdavydov@parallels.com>,
	linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
	stable@vger.kernel.org
Subject: Re: [PATCH] memcg: Fix thresholds for 32b architectures.
Date: Tue, 27 Oct 2015 19:25:08 +0100	[thread overview]
Message-ID: <20151027182508.GA23297@dhcp22.suse.cz> (raw)
In-Reply-To: <20151027162331.GA7749@cmpxchg.org>

On Tue 27-10-15 09:23:31, Johannes Weiner wrote:
[...]
> > Fixes: 424cdc141380 ("memcg: convert threshold to bytes")
> > Fixes: 3e32cb2e0a12 ("mm: memcontrol: lockless page counters")
> > CC: stable@vger.kernel.org
> > Reported-by: Ben Hutchings <ben@decadent.org.uk>
> > Signed-off-by: Michal Hocko <mhocko@suse.com>
> 
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>

Thanks!

> 
> > +++ b/mm/memcontrol.c
> > @@ -2802,7 +2802,7 @@ static unsigned long tree_stat(struct mem_cgroup *memcg,
> >  	return val;
> >  }
> >  
> > -static inline u64 mem_cgroup_usage(struct mem_cgroup *memcg, bool swap)
> > +static inline unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap)
> >  {
> >  	u64 val;
> 
> Minor nit, but this should probably be unsigned long now.

Yeah, I've missed this. Andrew, do you want me to post a new version or
you can fold a trivial update here?
---
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2823cafc269e..f4c09c4e895f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2804,7 +2804,7 @@ static unsigned long tree_stat(struct mem_cgroup *memcg,
 
 static inline unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap)
 {
-	u64 val;
+	unsigned long val;
 
 	if (mem_cgroup_is_root(memcg)) {
 		val = tree_stat(memcg, MEM_CGROUP_STAT_CACHE);

-- 
Michal Hocko
SUSE Labs

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      reply	other threads:[~2015-10-27 18:25 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-27 10:37 [PATCH] memcg: Fix thresholds for 32b architectures mhocko
2015-10-27 15:22 ` Vladimir Davydov
2015-10-27 16:23 ` Johannes Weiner
2015-10-27 18:25   ` Michal Hocko [this message]

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