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Subject: Re: [PATCH 0/2] Fix prep_compound_gigantic_page ref count adjustment
To:     linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc:     Jann Horn <jannh@google.com>,
        Youquan Song <youquan.song@intel.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Jan Kara <jack@suse.cz>, John Hubbard <jhubbard@nvidia.com>,
        "Kirill A . Shutemov" <kirill@shutemov.name>,
        Matthew Wilcox <willy@infradead.org>,
        Michal Hocko <mhocko@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>
References: <20210622021423.154662-1-mike.kravetz@oracle.com>
From:   Mike Kravetz <mike.kravetz@oracle.com>
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Date:   Mon, 21 Jun 2021 19:16:07 -0700
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On 6/21/21 7:14 PM, Mike Kravetz wrote:
> These patches address the possible race between prep_compound_gigantic_page
> and __page_cache_add_speculative as described by Jann Horn in [1].

Oops,

[1] https://lore.kernel.org/linux-mm/CAG48ez23q0Jy9cuVnwAe7t_fdhMk2S7N5Hdi-GLcCeq5bsfLxw@mail.gmail.com/

-- 
Mike Kravetz