linux-kernel - Re: [PATCH v12 8/9] hugetlb_cgroup: Add hugetlb

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Message-ID: <bfb05dfa-4b01-df19-9698-777cae2e78d2@oracle.com>
Date:   Thu, 20 Feb 2020 16:52:16 -0800
From:   Mike Kravetz <mike.kravetz@...cle.com>
To:     Mina Almasry <almasrymina@...gle.com>
Cc:     shuah@...nel.org, rientjes@...gle.com, shakeelb@...gle.com,
        gthelen@...gle.com, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-kselftest@...r.kernel.org, cgroups@...r.kernel.org,
        sandipan@...ux.ibm.com
Subject: Re: [PATCH v12 8/9] hugetlb_cgroup: Add hugetlb_cgroup reservation
 tests

On 2/11/20 1:31 PM, 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@...gle.com>
> Cc: sandipan@...ux.ibm.com

Thanks for adding the tests.  At a high level, I do not see any issues.

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