Re: [PATCH] [TRIVIAL] memcg: fix memory.memsw.usage_in_bytes for root cgroup

[Daisuke Nishimura <d-nishimura@mtf.biglobe.ne.jp>]

(Added Cc: Andrew Morton <akpm@linux-foundation.org>)

On Wed,  9 Dec 2009 17:48:58 +0200
"Kirill A. Shutemov" <kirill@shutemov.name> wrote:

> We really want to take MEM_CGROUP_STAT_SWAPOUT into account.
> 
Nice catch!

	Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>

> Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
> Cc: stable@kernel.org
> ---
>  mm/memcontrol.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index f99f599..6314015 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -2541,6 +2541,7 @@ static u64 mem_cgroup_read(struct cgroup *cont, struct cftype *cft)
>  			val += idx_val;
>  			mem_cgroup_get_recursive_idx_stat(mem,
>  				MEM_CGROUP_STAT_SWAPOUT, &idx_val);
> +			val += idx_val;
>  			val <<= PAGE_SHIFT;
>  		} else
>  			val = res_counter_read_u64(&mem->memsw, name);

Regards,
Daisuke Nishimura.

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