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    SubjectRe: allocation failed: out of vmalloc space - use vmalloc=<size> to increase size.
    On 12 Jun, 14:30, Jon Dufresne
    <jon.dufresne@infinitevideocorporation.com> wrote:
    > I am writing a linux kernel driver for a custom pci device. I am
    > developing against the stock fedora 6 kernel on an x86. This device has
    > 512 MB of IO memory reserved by BAR 3. Whenever I try to ioremap this
    > space I get the error:
    >
    > allocation failed: out of vmalloc space - use vmalloc=<size> to increase
    > size.
    >
    > I think I understand why this is happening. I obviously don't have
    > enough vmalloc space to map such a large chunk of memory. I have been
    > using Corbet's et el's "Linux Device Drivers", Love's "Linux Kernel
    > Development", and many websites as a guide in this development process
    > but have yet to come across information that will help me.
    >
    > I'm curious if there is a way around this issue. Or a better way of
    > handling it so that I can properly map the entire io memory space.

    You can boot with kernel parameter vmalloc=384M or so. I have
    experienced problems with booting with other values, but YMMV.

    Daniel

    > Thanks for any help,
    > Jon
    --
    Daniel J Blueman
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