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Date:   Tue, 10 May 2022 00:27:53 -0700
From:   Christoph Hellwig <>
To:     Kees Cook <>
Cc:     "Matthew Wilcox (Oracle)" <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        Paolo Abeni <>, Du Cheng <>,
        Christophe JAILLET <>,
        Vlastimil Babka <>,
        William Kucharski <>,
        Arnd Bergmann <>,
        Nathan Chancellor <>,,,
Subject: Re: [PATCH] niu: Add "overloaded" struct page union member

On Mon, May 09, 2022 at 03:23:33PM -0700, Kees Cook wrote:
> The randstruct GCC plugin gets upset when it sees struct addresspace
> (which is randomized) being assigned to a struct page (which is not
> randomized):

Well, the right fix here is to remove this abuse from the driver, not
to legitimize it as part of a "driver" patch touching a core mm header
that doesn't even cc the mm list.

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