Re: [PATCH] res_counter: fix off-by-one bug in setting limit

[Pavel Emelyanov]

Li Zefan wrote:
> I found we can no longer set limit to 0 with 2.6.27-rcX:
>  # mount -t cgroup -omemory xxx /mnt
>  # mkdir /mnt/0
>  # echo 0 > /mnt/0/memory.limit_in_bytes
>  bash: echo: write error: Device or resource busy
> 
> It turned out 'limit' can't be set to 'usage', which is wrong IMO.
> 
> Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>

Acked-by: Pavel Emelyanov <xemul@xxxxxxxxxx>
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