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    SubjectRe: [PATCH v3 11/12] x86, boot: add fields to support load bzImage and ramdisk high
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    On Sat, Nov 24, 2012 at 2:32 PM, H. Peter Anvin <hpa@zytor.com> wrote:
    > On 11/24/2012 02:18 PM, Yinghai Lu wrote:

    > Well, that solves the problem for *this specific instance* but I fear
    > therein lies madness in the general case.
    >

    use

    Bit 0 (read): CAN_BE_LOADED_ABOVE_4G
    - If 1, kernel/boot_params/cmdline/ramdisk can be above 4g,
    set by kernel.

    Bit 1 (write): USE_EXT_BOOT_PARAMS
    - If 1, set by bootloader, and kernel could check new fields
    in boot_params
    that are added from 2.12 safely.


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