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Subject: Re: [PATCH v12 2/9] hugetlb_cgroup: add interface for charge/uncharge
 hugetlb reservations
To:     Mina Almasry <almasrymina@google.com>
Cc:     shuah@kernel.org, rientjes@google.com, shakeelb@google.com,
        gthelen@google.com, akpm@linux-foundation.org,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        linux-kselftest@vger.kernel.org, cgroups@vger.kernel.org
References: <20200211213128.73302-1-almasrymina@google.com>
 <20200211213128.73302-2-almasrymina@google.com>
From:   Mike Kravetz <mike.kravetz@oracle.com>
Message-ID: <791880db-bdb0-8d34-ea9a-be6e4996fc0d@oracle.com>
Date:   Fri, 14 Feb 2020 16:50:25 -0800
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On 2/11/20 1:31 PM, Mina Almasry wrote:
> Augments hugetlb_cgroup_charge_cgroup to be able to charge hugetlb
> usage or hugetlb reservation counter.
> 
> Adds a new interface to uncharge a hugetlb_cgroup counter via
> hugetlb_cgroup_uncharge_counter.
> 
> Integrates the counter with hugetlb_cgroup, via hugetlb_cgroup_init,
> hugetlb_cgroup_have_usage, and hugetlb_cgroup_css_offline.
> 
> Signed-off-by: Mina Almasry <almasrymina@google.com>
> 

Thanks for the suggested changes.  It will make the code easier to
read and understand.

Acked-by: Mike Kravetz <mike.kravetz@oracle.com

> ---
> 
> Changes in v12:
> - Instead of true/false param for rsvd or non-rsvd calls, now there is:
> hugetlb_cgroup_*() call for non-rsvd
> hugetlb_cgroup_*_rsvd() call for rsvd
> __hugetlb_cgroup_*(, bool) for both.
> - Removed review tags as this patch changed quite a bit.