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    SubjectRe: Highmemory Problem with RHEL3 .... 2.4.21-5.ELsmp
    Fawad Lateef wrote:

    >Hello,
    >
    >I m facing a problem in RHEL3 (2.4.21-5.ELsmp) kernel while using
    >kmap_atomic on the pages reserved at the boot time !!!!
    >
    >At the boot time I reserved pages above 2GB for later use by my module
    >..... And when I was using those reserved pages through kmap_atomic
    >system hangs; although kmap_atomic successfully returns me the virtual
    >address but when I use that virtual address like in memcpy the system
    >hangs .....
    >
    >I m unable to findout why it is happening in RHEL3 kernel !!!! Plz
    >help me in this regard ....
    >
    >

    IIRC 2.4.21 has some highmem bugs that have since been fixed. But, it
    sounds like you might be doing something quite unusual. Code would
    definitely give people a better idea of what might be wrong. You should
    definitely consider moving to 2.6 to get a better response.

    Zach
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