On Mon 08-04-13 16:22:34, Li Zefan wrote: > memcg requires the cgroup id to be smaller than 65536. > > Signed-off-by: Li Zefan <[email protected]>
But this should be moved up the patch stack as mentioned in the previous email. Acked-by: Michal Hocko <[email protected]> Minor nit bellow. > --- > mm/memcontrol.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/mm/memcontrol.c b/mm/memcontrol.c > index c4e0173..947dff1 100644 > --- a/mm/memcontrol.c > +++ b/mm/memcontrol.c > @@ -492,6 +492,12 @@ static inline bool mem_cgroup_is_root(struct mem_cgroup > *memcg) > return (memcg == root_mem_cgroup); > } > > +/* > + * We restrict the id in the range of [0, 65535], so it can fit into > + * an unsigned short. > + */ > +#define MEM_CGROUP_ID_MAX (65535) USHRT_MAX ? > + > static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg) > { > return memcg->css.cgroup->id; -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
