mm: memcontrol: export root_mem_cgroup

[cascardo/linux.git] / mm / backing-dev.c

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 7340353..cc5d29d 100644 (file)
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -672,7 +672,7 @@ static int cgwb_bdi_init(struct backing_dev_info *bdi)
 
        ret = wb_init(&bdi->wb, bdi, 1, GFP_KERNEL);
        if (!ret) {
-               bdi->wb.memcg_css = mem_cgroup_root_css;
+               bdi->wb.memcg_css = &root_mem_cgroup->css;
                bdi->wb.blkcg_css = blkcg_root_css;
        }
        return ret;