About SECTION_SIZE_BITS for Sparsemem

[Minchan Kim]

On Wed, Jul 14, 2010 at 5:49 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Wed, Jul 14, 2010 at 08:59:06AM +0900, Minchan Kim wrote:
>> But I think Kukjin case's best solution is to make section size 16M, not 256M.
>> Regardless of this, Your idea is the direction we should proceed, I think.
>
> So what if someone decides to fit 8MB DRAMs to the board?
>

Hmm. It might be a problem.
Should we consider all configuration?

Then, in below cases ram size never can change?
How does it acked and merged?
I don't know below board can't configurable ram size. Just out of curiosity.


   #   line  filename / context / line
   1     76  arch/arm/mach-clps711x/include/mach/memory.h <<SECTION_SIZE_BITS>>
             #define SECTION_SIZE_BITS 24
   2     26  arch/arm/mach-lh7a40x/include/mach/memory.h <<SECTION_SIZE_BITS>>
             #define SECTION_SIZE_BITS 24
   3     62  arch/arm/mach-realview/include/mach/memory.h <<SECTION_SIZE_BITS>>
             #define SECTION_SIZE_BITS 28
   4     38  arch/arm/mach-rpc/include/mach/memory.h <<SECTION_SIZE_BITS>>
             #define SECTION_SIZE_BITS 26
   5     21  arch/arm/mach-s5pv210/include/mach/memory.h <<SECTION_SIZE_BITS>>
             #define SECTION_SIZE_BITS 28
   6     46  arch/arm/mach-sa1100/include/mach/memory.h <<SECTION_SIZE_BITS>>
             #define SECTION_SIZE_BITS 27
   7     19  drivers/staging/msm/memory_ll.h <<SECTION_SIZE_BITS>>
             #define SECTION_SIZE_BITS 25





-- 
Kind regards,
Minchan Kim