On Sat, 9 Jun 2012, Aneesh Kumar K.V wrote:

David Rientjes didn't like HugetTLB limit to be a memcg extension and
wanted this to be a separate controller. I posted a v7 version that did
HugeTLB limit as a separate controller and used page cgroup to track
HugeTLB cgroup. Kamezawa Hiroyuki didn't like the usage of page_cgroup
in HugeTLB controller( http://mid.gmane.org/4FCD648E.90709@jp.fujitsu.com )

Yes, and thank you very much for working on v8 to remove the dependency on 
page_cgroup and to seperate this out.  I think it will benefit users who 
don't want to enable all of memcg but still want to account and restrict 
hugetlb page usage, and I think the code seperation is much cleaner 
internally.

I'll review that patchset and suggest that the old hugetlb extension in 
-mm be dropped in the interim.

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