Re: [PATCH 2/7] memcg: remove MEMCG_NR_FILE_MAPPED

[Fengguang Wu]

On Thu, Jun 28, 2012 at 06:58:31PM +0800, Sha Zhengju wrote:
> From: Sha Zhengju <handai.szj@xxxxxxxxxx>
> 
> While accounting memcg page stat, it's not worth to use MEMCG_NR_FILE_MAPPED
> as an extra layer of indirection because of the complexity and presumed
> performance overhead. We can use MEM_CGROUP_STAT_FILE_MAPPED directly.
> 
> Signed-off-by: Sha Zhengju <handai.szj@xxxxxxxxxx>
> ---
>  include/linux/memcontrol.h |   25 +++++++++++++++++--------
>  mm/memcontrol.c            |   24 +-----------------------
>  mm/rmap.c                  |    4 ++--
>  3 files changed, 20 insertions(+), 33 deletions(-)

Nice cleanup!

Acked-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
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