diff options
author | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-15 15:53:51 -0500 |
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committer | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-15 15:53:51 -0500 |
commit | dfdbf3f6e2d279f2a46ed95614cb4bf07657394d (patch) | |
tree | 2cc05669c5d3e47f7d4b28e31076b6dc6e771f36 /mm/memcontrol.c | |
parent | effff5718c380983788fe6c380671c18e15ac7c2 (diff) |
Digi del-5.6 Complete2.6.31-digi-201102151558
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r-- | mm/memcontrol.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index fd4529d86de5..566925e7cdbd 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -496,7 +496,13 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem) task_unlock(task); if (!curr) return 0; - if (curr->use_hierarchy) + /* + * We should check use_hierarchy of "mem" not "curr". Because checking + * use_hierarchy of "curr" here make this function true if hierarchy is + * enabled in "curr" and "curr" is a child of "mem" in *cgroup* + * hierarchy(even if use_hierarchy is disabled in "mem"). + */ + if (mem->use_hierarchy) ret = css_is_ancestor(&curr->css, &mem->css); else ret = (curr == mem); |