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    SubjectRe: [PATCH v4 20/39] mm/mmap: Add shadow stack pages to memory accounting
    On Fri, Dec 02, 2022 at 04:35:47PM -0800, Rick Edgecombe wrote:
    > From: Yu-cheng Yu <yu-cheng.yu@intel.com>
    >
    > The x86 Control-flow Enforcement Technology (CET) feature includes a new
    > type of memory called shadow stack. This shadow stack memory has some
    > unusual properties, which requires some core mm changes to function
    > properly.
    >
    > Account shadow stack pages to stack memory.
    >
    > Tested-by: Pengfei Xu <pengfei.xu@intel.com>
    > Tested-by: John Allen <john.allen@amd.com>
    > Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>

    Reviewed-by: Kees Cook <keescook@chromium.org>

    --
    Kees Cook

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