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    SubjectRe: Linux 2.6.31-rc4: strange change in iomem allocation


    On Thu, 23 Jul 2009, Linus Torvalds wrote:
    >
    > Don't worry about the new warning.
    >
    > It is in fact _normal_ to see a number of warnings about PnP resources
    > "could not be reserved"

    In fact, I notice that you had them even before, eg:

    system 00:00: iomem range 0x0-0x9ffff could not be reserved
    system 00:00: iomem range 0xe0000-0xfffff could not be reserved
    system 00:00: iomem range 0x100000-0x7e7fffff could not be reserved

    which are about exactly the same thing - e820 RAM reservations take
    precedence over the PnP ones.

    So the only new thing is that we claim the APIC thing to that category
    too.

    Linus


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