Question About Linux Memory Mapping

Drasko DRASKOVIC drasko.draskovic at
Mon Feb 21 09:25:27 EST 2011

On Mon, Feb 21, 2011 at 2:13 PM, Russell King - ARM Linux
<linux at> wrote:
> On Mon, Feb 21, 2011 at 01:13:16PM +0100, Drasko DRASKOVIC wrote:
>> Thanks for your answers.
>> I can see now that "mem" parameter is parsed in
>> arch/arm/kernel/setup.c, as Nicolas underlined. However, in my case
>> early_mem() is never called during the Linux boot.
>> Does anybody have an idea why ?
> Maybe the command line setting is being ignored by your boot loader
> and the one built-in to the kernel is being used?
> Maybe your kernel is configured to ignore the command line supplied
> by your boot loader?
> Maybe you're setting it in the kernel build but not realising that
> the boot loader passed one is being used instead?

Turns out that I had badly formatted command line parameters. After
correcting this everything works fine.

Thanks again for the help.


More information about the linux-arm mailing list