On Mon, 28 Mar 2011 16:51:10 -0700
Ying Han <yinghan@xxxxxxxxxx> wrote:
> The stat is added:
>
> /dev/cgroup/*/memory.stat
> soft_steal: - # of pages reclaimed from soft_limit hierarchical reclaim
> total_soft_steal: - # sum of all children's "soft_steal"
>
> Change log v2...v1
> 1. removed the counting on number of skips on shrink_zone. This is due to the
> change on the previous patch.
>
> Signed-off-by: Ying Han <yinghan@xxxxxxxxxx>
> ---
> Documentation/cgroups/memory.txt | 2 ++
> include/linux/memcontrol.h | 5 +++++
> mm/memcontrol.c | 14 ++++++++++++++
> 3 files changed, 21 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
> index b6ed61c..dcda6c5 100644
> --- a/Documentation/cgroups/memory.txt
> +++ b/Documentation/cgroups/memory.txt
> @@ -385,6 +385,7 @@ mapped_file - # of bytes of mapped file (includes tmpfs/shmem)
> pgpgin - # of pages paged in (equivalent to # of charging events).
> pgpgout - # of pages paged out (equivalent to # of uncharging events).
> swap - # of bytes of swap usage
> +soft_steal - # of pages reclaimed from global hierarchical reclaim
> inactive_anon - # of bytes of anonymous memory and swap cache memory on
> LRU list.
> active_anon - # of bytes of anonymous and swap cache memory on active
> @@ -406,6 +407,7 @@ total_mapped_file - sum of all children's "cache"
> total_pgpgin - sum of all children's "pgpgin"
> total_pgpgout - sum of all children's "pgpgout"
> total_swap - sum of all children's "swap"
> +total_soft_steal - sum of all children's "soft_steal"
> total_inactive_anon - sum of all children's "inactive_anon"
> total_active_anon - sum of all children's "active_anon"
> total_inactive_file - sum of all children's "inactive_file"
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 01281ac..151ab40 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -115,6 +115,7 @@ struct zone_reclaim_stat*
> mem_cgroup_get_reclaim_stat_from_page(struct page *page);
> extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
> struct task_struct *p);
> +void mem_cgroup_soft_steal(struct mem_cgroup *memcg, int val);
>
> #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
> extern int do_swap_account;
> @@ -356,6 +357,10 @@ static inline void mem_cgroup_split_huge_fixup(struct page *head,
> {
> }
>
> +static inline void mem_cgroup_soft_steal(struct mem_cgroup *memcg,
> + int val)
> +{
> +}
> #endif /* CONFIG_CGROUP_MEM_CONT */
>
Do you use this function outside of memcontrol.c in future, right ?
I'm asking just for clarification, and I'm sorry if I miss some past discussions.
Thanks,
Daisuke Nishimura.
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