[PATCH 1/8] mm: memcontrol: export root_mem_cgroup

A later patch will need this symbol in files other than memcontrol.c, so export it now and replace mem_cgroup_root_css at the same time. Signed-off-by: Johannes Weiner Acked-by: Michal Hocko --- include/linux/memcontrol.h | 3 ++- mm/backing-dev.c | 2 +- mm/memcontrol.c|

[PATCH 1/8] mm: memcontrol: export root_mem_cgroup

A later patch will need this symbol in files other than memcontrol.c, so export it now and replace mem_cgroup_root_css at the same time. Signed-off-by: Johannes Weiner Acked-by: Michal Hocko --- include/linux/memcontrol.h | 3 ++- mm/backing-dev.c