Re: [PATCH] mm/memcontrol: fix defined but not used compiler warning

[Michal Hocko <mhocko@suse.cz>]

On Tue 02-12-14 12:07:52, Michele Curti wrote:
> test_mem_cgroup_node_reclaimable is used only when MAX_NUMNODES > 1,
> so move it into the compiler if statement
> 
> Signed-off-by: Michele Curti <michele.curti@gmail.com>

Acked-by: Michal Hocko <mhocko@suse.cz>

> ---
>  mm/memcontrol.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index c6ac50e..84531a9 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -1615,6 +1615,7 @@ static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
>  	oom_kill_process(chosen, gfp_mask, order, points, totalpages, memcg,
>  			 NULL, "Memory cgroup out of memory");
>  }
> +#if MAX_NUMNODES > 1
>  
>  /**
>   * test_mem_cgroup_node_reclaimable
> @@ -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
> -- 
> 2.1.3
> 

-- 
Michal Hocko
SUSE Labs

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