[PATCH 03/10] memcg: create extensible page stat update routines

Ciju Rajan K ciju at linux.vnet.ibm.com
Mon Oct 4 06:48:46 PDT 2010


Greg Thelen wrote:
> Replace usage of the mem_cgroup_update_file_mapped() memcg
> statistic update routine with two new routines:
> * mem_cgroup_inc_page_stat()
> * mem_cgroup_dec_page_stat()
>
> As before, only the file_mapped statistic is managed.  However,
> these more general interfaces allow for new statistics to be
> more easily added.  New statistics are added with memcg dirty
> page accounting.
>
>
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 512cb12..f4259f4 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -1592,7 +1592,9 @@ bool mem_cgroup_handle_oom(struct mem_cgroup *mem, gfp_t mask)
>   * possibility of race condition. If there is, we take a lock.
>   */
>
>   
> -static void mem_cgroup_update_file_stat(struct page *page, int idx, int val)
>   
Not seeing this function in mmotm 28/09. So not able to apply this patch.
Am I missing anything?
> +void mem_cgroup_update_page_stat(struct page *page,
> +				 enum mem_cgroup_write_page_stat_item idx,
> +				 int val)
>  {
>  	struct mem_cgroup *mem;
>
>   



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