Re: [PATCH -V3 2/8] memcg: Add HugeTLB extension
From: Glauber Costa <hidden>
Date: 2012-03-13 13:30:11
Also in:
linux-mm
On 03/13/2012 11:07 AM, Aneesh Kumar K.V wrote:
quoted hunk ↗ jump to hunk
@@ -4951,6 +5083,12 @@ static int mem_cgroup_pre_destroy(struct cgroup_subsys *ss, struct cgroup *cont) { struct mem_cgroup *memcg = mem_cgroup_from_cont(cont); + /* + * Don't allow memcg removal if we have HugeTLB resource + * usage. + */ + if (mem_cgroup_hugetlb_usage(memcg)> 0) + return -EBUSY; return mem_cgroup_force_empty(memcg, false);
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