Re: [PATCH] mm: memcontrol: Skip test_mem_cgroup_node_reclaimable() when no MAX_NUMNODES or not more than 1

From: Michal Hocko
Date: Sun Dec 07 2014 - 05:33:17 EST


Hi,
this has been fixed last week already
http://marc.info/?l=linux-mm&m=141751847710864&w=2

On Sat 06-12-14 06:27:57, Chen Gang wrote:
> test_mem_cgroup_node_reclaimable() is only used when "MAX_NUMNODES > 1",
> so move it into related quote.
>
> The related warning (with allmodconfig under parisc):
>
> CC mm/memcontrol.o
> mm/memcontrol.c:1629:13: warning: 'test_mem_cgroup_node_reclaimable' defined but not used [-Wunused-function]
> static bool test_mem_cgroup_node_reclaimable(struct mem_cgroup *memcg,
> ^
>
> Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
> ---
> mm/memcontrol.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index c6ac50e..d538b08 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -1616,6 +1616,7 @@ static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
> NULL, "Memory cgroup out of memory");
> }
>
> +#if MAX_NUMNODES > 1
> /**
> * test_mem_cgroup_node_reclaimable
> * @memcg: the target memcg
> @@ -1638,7 +1639,6 @@ static bool test_mem_cgroup_node_reclaimable(struct mem_cgroup *memcg,
> return false;
>
> }
> -#if MAX_NUMNODES > 1
>
> /*
> * Always updating the nodemask is not very good - even if we have an empty
> --
> 1.9.3

--
Michal Hocko
SUSE Labs
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