Re: [PATCH] memcg: Fix thresholds for 32b architectures.

[Michal Hocko]

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@xxxxxxxxxxxxxxx
> > Reported-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
> > Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
> 
> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>

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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