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    SubjectRe: [PATCH 6/7] x86, mm: setup page table from top-down
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    On Tue, Oct 9, 2012 at 4:58 PM, Yinghai Lu <yinghai@kernel.org> wrote:
    > Get pgt_buf early from BRK, and use it to map PMD_SIZE to top at first.
    > then use page from PMD_SIZE to map next blow range.
    >
    > alloc_low_page will use page from BRK at first, then will switch to use
    > to memblock to find and reserve page for page table usage.
    >
    > At last we could get rid of calculation and find early pgt related code.
    >
    > Suggested-by: "H. Peter Anvin" <hpa@zytor.com>
    > Signed-off-by: Yinghai Lu <yinghai@kernel.org>

    sorry , there one typo in this patch, please use attached one instead.
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