linux-kernel - Re: [PATCH -V9 09/15] mm/hugetlb: Add new HugeTLB cgroup

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Message-ID: <87mx45m6yj.fsf@skywalker.in.ibm.com>
Date:	Fri, 15 Jun 2012 11:50:52 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	Li Zefan <lizefan@...wei.com>
Cc:	linux-mm@...ck.org, kamezawa.hiroyu@...fujitsu.com,
	dhillf@...il.com, rientjes@...gle.com, mhocko@...e.cz,
	akpm@...ux-foundation.org, hannes@...xchg.org,
	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org
Subject: Re: [PATCH -V9 09/15] mm/hugetlb: Add new HugeTLB cgroup

Li Zefan <lizefan@...wei.com> writes:

>> +static inline
>
>> +struct hugetlb_cgroup *hugetlb_cgroup_from_css(struct cgroup_subsys_state *s)
>> +{
>> +	if (s)
>
>
> Neither cgroup_subsys_state() or task_subsys_state() will ever return NULL,
> so here 's' won't be NULL.
>

That is a change that didn't get updated when i dropped page_cgroup
changes. I had a series that tracked in page_cgroup
cgroup_subsys_state. I will send an fix on top.

Thanks for the review.
-aneesh

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