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SubjectRe: [RFC][PATCH 2/5] memcg: uncharge in batched manner
Balbir Singh wrote:
>> > Does this effect deleting of a group and delay it by a large amount?
>> >
>> plz see what cgroup_release_and_xxxx fixed. This is not for delay
>> but for race-condition, which makes rmdir sleep permanently.
> I've seen those patches, where rmdir() can hang. My conern was time
> elapsed since we do css_get() and do a cgroup_release_and_wake_rmdir()
plz read unmap() and truncate() code.
The number of pages handled without cond_resched() is limited.


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