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Subject: Re: [PATCH 06/30] mm/hugetlb: Add missing annotation for
 gather_surplus_pages()
To:     Jules Irenge <jbi.octave@gmail.com>, linux-kernel@vger.kernel.org
Cc:     boqun.feng@gmail.com, Andrew Morton <akpm@linux-foundation.org>,
        HUGETLB FILESYSTEM <linux-mm@kvack.org>
References: <0/30> <20200214204741.94112-1-jbi.octave@gmail.com>
 <20200214204741.94112-7-jbi.octave@gmail.com>
From:   Mike Kravetz <mike.kravetz@oracle.com>
Message-ID: <2df96cb5-e4db-6133-3406-a97fef9a3028@oracle.com>
Date:   Fri, 14 Feb 2020 15:40:23 -0800
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On 2/14/20 12:47 PM, Jules Irenge wrote:
> Sparse reports a warning at gather_surplus_pages()
> 
> warning: context imbalance in hugetlb_cow() - unexpected unlock
> 
> The root cause is the missing annotation at gather_surplus_pages()
> Add the missing __must_hold(&hugetlb_lock)
> 
> Signed-off-by: Jules Irenge <jbi.octave@gmail.com>

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