linux-kernel - Re: [PATCH 0/2] Fix prep_compound_gigantic

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Message-ID: <cc803eec-9405-73ef-57b8-d1826cf2ab64@oracle.com>
Date:   Mon, 21 Jun 2021 19:16:07 -0700
From:   Mike Kravetz <mike.kravetz@...cle.com>
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     Jann Horn <jannh@...gle.com>,
        Youquan Song <youquan.song@...el.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Jan Kara <jack@...e.cz>, John Hubbard <jhubbard@...dia.com>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Matthew Wilcox <willy@...radead.org>,
        Michal Hocko <mhocko@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 0/2] Fix prep_compound_gigantic_page ref count adjustment

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