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SubjectRe: [RFC][PATCH 1/4] New css->refcnt implementation.
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On Fri, Dec 5, 2008 at 3:24 AM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@jp.fujitsu.com> wrote:
>> The basic rule is that you're only supposed to increment the css
>> refcount if you have:
>>
>> - a reference to a task in the cgroup (that is pinned via task_lock()
>> so it can't be moved away)
>> or
>> - an existing reference to the css
>>
> My problem is that we can do css_get() after pre_destroy() and
> css's refcnt goes down to 0.

But where are you getting the reference from in order to do css_get()?
Which call in mem cgroup are you concerned about?

Paul


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