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    SubjectRe: [PATCH] x86: introduce max_low_pfn_mapped for 64bit
    On Fri, Jul 11, 2008 at 1:26 AM, Ingo Molnar <mingo@elte.hu> wrote:
    >
    > * Yinghai Lu <yhlu.kernel@gmail.com> wrote:
    >
    >> when 4g more memory installed, don't map big hole below 4g.
    >
    > applied to tip/x86/core, thanks Yinghai.
    >
    > This is a scarier change - no way to do it in smaller steps?

    1. e820_end ==> e820_end_of_ram_pfn :: totally safe...
    2. others

    YH


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