diff options
| author | Hillf Danton <[email protected]> | 2011-12-19 17:11:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2011-12-20 10:25:04 -0800 |
| commit | a41c58a6665cc995e237303b05db42100b71b65e (patch) | |
| tree | 49842a2cde1ad77232cd4a5dadb5cb9796e2aee5 | |
| parent | 481fe17e973fb97aa3edf17c69557afe88d8334f (diff) | |
memcg: keep root group unchanged if creation fails
If the request is to create non-root group and we fail to meet it, we
should leave the root unchanged.
Signed-off-by: Hillf Danton <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Acked-by: KAMEZAWA Hiroyuki <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Balbir Singh <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/memcontrol.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6aff93c98aca..b63f5f7dfa07 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4907,9 +4907,9 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont) int cpu; enable_swap_cgroup(); parent = NULL; - root_mem_cgroup = memcg; if (mem_cgroup_soft_limit_tree_init()) goto free_out; + root_mem_cgroup = memcg; for_each_possible_cpu(cpu) { struct memcg_stock_pcp *stock = &per_cpu(memcg_stock, cpu); @@ -4948,7 +4948,6 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont) return &memcg->css; free_out: __mem_cgroup_free(memcg); - root_mem_cgroup = NULL; return ERR_PTR(error); } |