RE: 1 GB lowmem

2008-05-22 Thread Rune Torgersen
Kumar Gala wrote: On May 21, 2008, at 4:24 PM, Rune Torgersen wrote: Kumar Gala wrote: On May 21, 2008, at 3:55 PM, Rune Torgersen wrote: Argh... Found it. Had to set CONFIG_TASK_SIZE to 0x8000. Now it works in both vaniulla an d RT kernel. We should really add some sanity check on

RE: 1 GB lowmem

2008-05-22 Thread Rune Torgersen
Kumar Gala wrote: something like that would be good. is there really anything PPC32 specific about it? Apparently. The Kconfig option is only available for arch/powerpc and arch/ppc, and the only place in the whole codetree where CONFIG_TASK_SIZE is used is that particular spot in

RE: 1 GB lowmem

2008-05-21 Thread Rune Torgersen
[EMAIL PROTECTED] 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=0xfe00 CONFIG_LOWMEM_SIZE_BOOL=y CONFIG_LOWMEM_SIZE=0x4000 CONFIG_KERNEL_START_BOOL=y

RE: 1 GB lowmem

2008-05-21 Thread Rune Torgersen
Rune Torgersen wrote: [EMAIL PROTECTED] 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=0xfe00 CONFIG_LOWMEM_SIZE_BOOL=y CONFIG_LOWMEM_SIZE=0x4000 CONFIG_KERNEL_START_BOOL=y

Re: 1 GB lowmem

2008-05-21 Thread Kumar Gala
On May 21, 2008, at 3:55 PM, Rune Torgersen wrote: Rune Torgersen wrote: [EMAIL PROTECTED] 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=0xfe00 CONFIG_LOWMEM_SIZE_BOOL=y

RE: 1 GB lowmem

2008-05-21 Thread Rune Torgersen
Kumar Gala wrote: On May 21, 2008, at 3:55 PM, Rune Torgersen wrote: Argh... Found it. Had to set CONFIG_TASK_SIZE to 0x8000. Now it works in both vaniulla an d RT kernel. We should really add some sanity check on CONFIG_TASK_SIZE vs KERNEL_START. Something like this? Wording sould

Re: 1 GB lowmem

2008-05-21 Thread Benjamin Herrenschmidt
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=0xfe00 CONFIG_LOWMEM_SIZE_BOOL=y CONFIG_LOWMEM_SIZE=0x4000

Re: 1 GB lowmem

2008-05-21 Thread Kumar Gala
On May 21, 2008, at 4:24 PM, Rune Torgersen wrote: Kumar Gala wrote: On May 21, 2008, at 3:55 PM, Rune Torgersen wrote: Argh... Found it. Had to set CONFIG_TASK_SIZE to 0x8000. Now it works in both vaniulla an d RT kernel. We should really add some sanity check on CONFIG_TASK_SIZE vs