Re: [PATCH v3 1/6] memcg: fix error code in hugetlb_force_memcg_empty()

[PATCH v3][0/6] memcg: prevent -ENOMEM in pre_destroy() · KAMEZAWA Hiroyuki <hidden> · 2012-05-11
[PATCH v3 1/6] memcg: fix error code in hugetlb_force_memcg_empty() · KAMEZAWA Hiroyuki <hidden> · 2012-05-11
Re: [PATCH v3 1/6] memcg: fix error code in hugetlb_force_memcg_empty() · Andrew Morton <akpm@linux-foundation.org> · 2012-05-11
Re: [PATCH v3 1/6] memcg: fix error code in hugetlb_force_memcg_empty() · KAMEZAWA Hiroyuki <hidden> · 2012-05-14
Re: [PATCH v3 1/6] memcg: fix error code in hugetlb_force_memcg_empty() · Tejun Heo <tj@kernel.org> · 2012-05-14
Re: [PATCH v3 1/6] memcg: fix error code in hugetlb_force_memcg_empty() · Tejun Heo <tj@kernel.org> · 2012-05-14
Re: [PATCH v3 1/6] memcg: fix error code in hugetlb_force_memcg_empty() · KAMEZAWA Hiroyuki <hidden> · 2012-05-15
Re: [PATCH v3 1/6] memcg: fix error code in hugetlb_force_memcg_empty() · Tejun Heo <tj@kernel.org> · 2012-05-15
[PATCH 2/6] add res_counter_uncharge_until() · KAMEZAWA Hiroyuki <hidden> · 2012-05-11
Re: [PATCH 2/6] add res_counter_uncharge_until() · Andrew Morton <akpm@linux-foundation.org> · 2012-05-11
Re: [PATCH 2/6] add res_counter_uncharge_until() · KAMEZAWA Hiroyuki <hidden> · 2012-05-14
Re: [PATCH 2/6] add res_counter_uncharge_until() · Frederic Weisbecker <hidden> · 2012-05-14
Re: [PATCH 2/6] add res_counter_uncharge_until() · KAMEZAWA Hiroyuki <hidden> · 2012-05-14
Re: [PATCH 2/6] add res_counter_uncharge_until() · Frederic Weisbecker <hidden> · 2012-05-14
Re: [PATCH 2/6] add res_counter_uncharge_until() · Tejun Heo <tj@kernel.org> · 2012-05-14
[PATCH v3 3/6] memcg: use res_counter_uncharge_until in move_parent() · KAMEZAWA Hiroyuki <hidden> · 2012-05-11
[PATCH v3 4/6] memcg: move charges to root cgroup if use_hierarchy=0. · KAMEZAWA Hiroyuki <hidden> · 2012-05-11
Re: [PATCH v3 4/6] memcg: move charges to root cgroup if use_hierarchy=0. · Tejun Heo <tj@kernel.org> · 2012-05-14
Re: [PATCH v3 4/6] memcg: move charges to root cgroup if use_hierarchy=0. · KAMEZAWA Hiroyuki <hidden> · 2012-05-15
[PATCH v3 5/6] memcg: don't uncharge in mem_cgroup_move_account · KAMEZAWA Hiroyuki <hidden> · 2012-05-11
[PATCH v3 6/6] remove __must_check for res_counter_charge_nofail() · KAMEZAWA Hiroyuki <hidden> · 2012-05-11
Re: [PATCH v3 6/6] remove __must_check for res_counter_charge_nofail() · Tejun Heo <tj@kernel.org> · 2012-05-14
Re: [PATCH v3 6/6] remove __must_check for res_counter_charge_nofail() · KAMEZAWA Hiroyuki <hidden> · 2012-05-15
Re: [PATCH v3][0/6] memcg: prevent -ENOMEM in pre_destroy() · Tejun Heo <tj@kernel.org> · 2012-06-21
Re: [PATCH v3][0/6] memcg: prevent -ENOMEM in pre_destroy() · Kamezawa Hiroyuki <hidden> · 2012-06-21
Re: [PATCH v3][0/6] memcg: prevent -ENOMEM in pre_destroy() · Tejun Heo <tj@kernel.org> · 2012-06-27
Re: [PATCH v3][0/6] memcg: prevent -ENOMEM in pre_destroy() · Kamezawa Hiroyuki <hidden> · 2012-06-28
Re: [PATCH v3][0/6] memcg: prevent -ENOMEM in pre_destroy() · Tejun Heo <tj@kernel.org> · 2012-06-28

From: Andrew Morton <hidden>
Date: 2012-05-11 21:17:58
Also in: linux-mm, lkml

On Fri, 11 May 2012 18:45:18 +0900
KAMEZAWA Hiroyuki [off-list ref] wrote:

The conditions are handled as -EBUSY, _now_.

The changelog is poor.  I rewrote it to

: hugetlb_force_memcg_empty() incorrectly returns 0 (success) when the
: cgroup is found to be busy.  Return -EBUSY instead.

But it still doesn't tell us the end-user-visible effects of the bug. 
It should.

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