On Mon, Nov 08, 2010 at 03:27:26PM -0800, Greg Thelen wrote:
> Johannes Weiner <hannes@xxxxxxxxxxx> writes:
> > --- a/include/linux/memcontrol.h
> > +++ b/include/linux/memcontrol.h
> > @@ -157,7 +157,7 @@ static inline void mem_cgroup_dec_page_s
> > bool mem_cgroup_has_dirty_limit(void);
> > bool mem_cgroup_dirty_info(unsigned long sys_available_mem,
> > struct dirty_info *info);
> > -s64 mem_cgroup_page_stat(enum mem_cgroup_nr_pages_item item);
> > +long mem_cgroup_page_stat(enum mem_cgroup_nr_pages_item item);
>
> Ooops. I missed something in my review.
>
> mem_cgroup_page_stat() appears twice in memcontrol.h The return value
> should match regardless of if CONFIG_CGROUP_MEM_RES_CTLR is set.
>
> I suggest integrating the following into you patch ([patch 4/4] memcg:
> use native word page statistics counters):
Right you are! Thanks.
Hannes
> ---
> include/linux/memcontrol.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 4e046d6..7a3d915 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -351,7 +351,7 @@ static inline bool mem_cgroup_dirty_info(unsigned long sys_available_mem,
> return false;
> }
>
> -static inline s64 mem_cgroup_page_stat(enum mem_cgroup_nr_pages_item item)
> +static inline long mem_cgroup_page_stat(enum mem_cgroup_nr_pages_item item)
> {
> return -ENOSYS;
> }
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