Re: [PATCH 5/6] memcg: fix broken boolen expression

[Michal Hocko]

On Sat 24-12-11 05:00:18, Kirill A. Shutemov wrote:
> From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
> 
> action != CPU_DEAD || action != CPU_DEAD_FROZEN is always true.
> 
> Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>

Acked-by: Michal Hocko <mhocko@xxxxxxx>

Thanks!

> ---
>  mm/memcontrol.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index b27ce0f..3833a7b 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -2100,7 +2100,7 @@ static int __cpuinit memcg_cpu_hotplug_callback(struct notifier_block *nb,
>  		return NOTIFY_OK;
>  	}
>  
> -	if ((action != CPU_DEAD) || action != CPU_DEAD_FROZEN)
> +	if (action != CPU_DEAD && action != CPU_DEAD_FROZEN)
>  		return NOTIFY_OK;
>  
>  	for_each_mem_cgroup(iter)
> -- 
> 1.7.7.3
> 

-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic
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