Re: [PATCH 4/5] Fix the configuration dependencies

["Ken'ichi Ohmichi" <oomichi@mxs.nes.nec.co.jp>]

Hi Simon,

Thank you for reviewing and your "Acked-by" signs.

Simon Horman wrote:
> On Fri, Nov 16, 2007 at 11:33:20AM +0900, Ken'ichi Ohmichi wrote:
>> This patch fixes the configuration dependencies in the vmcoreinfo data.
>>
>> i386's "node_data" is defined in arch/x86/mm/discontig_32.c,
>> and x86_64's one is defined in arch/x86/mm/numa_64.c.
>> They depend on CONFIG_NUMA:
>>   arch/x86/mm/Makefile_32:7
>>     obj-$(CONFIG_NUMA) += discontig_32.o
>>   arch/x86/mm/Makefile_64:7
>>     obj-$(CONFIG_NUMA) += numa_64.o
>>
>> ia64's "pgdat_list" is defined in arch/ia64/mm/discontig.c,
>> and it depends on CONFIG_DISCONTIGMEM and CONFIG_SPARSEMEM:
>>   arch/ia64/mm/Makefile:9-10
>>     obj-$(CONFIG_DISCONTIGMEM) += discontig.o
>>     obj-$(CONFIG_SPARSEMEM)    += discontig.o
>>
>> ia64's "node_memblk" is defined in arch/ia64/mm/numa.c,
>> and it depends on CONFIG_NUMA:
>>   arch/ia64/mm/Makefile:8
>>     obj-$(CONFIG_NUMA)         += numa.o
>>
>> Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
> 
> This appears correct to me, checking through the symbols and the
> location of their deffinitions, though I have not had a chance to run
> many build checks.
> 
> I also note that CONFIG_ARCH_DISCONTIGMEM_ENABLE does not even
> appear to exist on i386, so it looks that without this change
> the code in question whould never be enabled.

If you enable "Numa Memory Allocation and Scheduler Support" in i386's
menuconfig, CONFIG_ARCH_DISCONTIGMEM_ENABLE is enabled.


Thanks
Ken'ichi Ohmichi