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    SubjectRe: [RESEND PATCH v3 kernel 3/7] mm: add a function to get the max pfn
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    On 10/20/2016 11:24 PM, Liang Li wrote:
    > Expose the function to get the max pfn, so it can be used in the
    > virtio-balloon device driver. Simply include the 'linux/bootmem.h'
    > is not enough, if the device driver is built to a module, directly
    > refer the max_pfn lead to build failed.

    I'm not sure the rest of the set is worth reviewing. I think a lot of
    it will change pretty fundamentally once you have those improved data
    structures in place.

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