On Fri, Sep 24, 2010 at 14:30, CEVAN Ondrej <Ondrej.CEVAN@xxxxxxxxxxxxxx> wrote:
> If the upper memory limit is reduced at booting by using the kernel command
> line parameter "mem" is there a way how this memory limit could be increased
> at some later point of kernel execution? In other words, if I exclude the
> upper part of system memory from kernel's use at boot time, can I reclaim it
> back at some later point?
>
> Particularly I am interested if this would work on the PowerPC and ARM
> architecture, or is it not architecture depending?
You can use memory hotplugging to add the memory later.
As this has been used on e.g. PS3, it should work on PowerPC.
Gr{oetje,eeting}s,
            Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
             Â Â -- Linus Torvalds
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