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Subject: Re: [PATCH v12 8/9] hugetlb_cgroup: Add hugetlb_cgroup reservation
 tests
To:     Mina Almasry <almasrymina@google.com>, mike.kravetz@oracle.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>
 <20200211213128.73302-8-almasrymina@google.com>
From:   Sandipan Das <sandipan@linux.ibm.com>
Date:   Wed, 12 Feb 2020 14:20:41 +0530
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On 12/02/20 3:01 am, Mina Almasry wrote:
> The tests use both shared and private mapped hugetlb memory, and
> monitors the hugetlb usage counter as well as the hugetlb reservation
> counter. They test different configurations such as hugetlb memory usage
> via hugetlbfs, or MAP_HUGETLB, or shmget/shmat, and with and without
> MAP_POPULATE.
> 
> Also add test for hugetlb reservation reparenting, since this is
> a subtle issue.
> 
> Signed-off-by: Mina Almasry <almasrymina@google.com>
> Cc: sandipan@linux.ibm.com
> 
> 
> ---
> 
> Changes in v12:
> - Fixed tests on machines with non-2MB default hugepage size.
> Changes in v11:
> - Modify test to not assume 2MB hugepage size.
> - Updated resv.* to rsvd.*
> Changes in v10:
> - Updated tests to resv.* name changes.
> Changes in v9:
> - Added tests for hugetlb reparenting.
> - Make tests explicitly support cgroup v1 and v2 via script argument.
> Changes in v6:
> - Updates tests for cgroups-v2 and NORESERVE allocations.
> 

For powerpc64,

Tested-by: Sandipan Das <sandipan@linux.ibm.com>