On Wed, 2008-05-21 at 13:00 -0500, Rune Torgersen wrote: > Hi > > I am trying to enable 1 GB of lowmem on a Freescale 8280. > In arch/ppc this was easilly done by: > CONFIG_ADVANCED_OPTIONS=y > CONFIG_HIGHMEM_START=0xfe000000 > CONFIG_LOWMEM_SIZE_BOOL=y > CONFIG_LOWMEM_SIZE=0x40000000 > CONFIG_KERNEL_START_BOOL=y > CONFIG_KERNEL_START=0xa0000000 > > This does not work in arch/powerpc. CPU hangs as soon as init starts. > Any ideas what to look at, what to change?
You probably need to lower TASK_SIZE too. > The reason I want to do this is because I cannot get highmem support to > work when using CONFIG_PREEMPT_RT. > (hitting a bug_on in kmap_atomic) We should look into fixing that :-) Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
