About SECTION_SIZE_BITS for Sparsemem

Kukjin Kim kgene.kim at samsung.com
Mon Jul 12 05:58:41 EDT 2010


Kyungmin Park wrote:

> 
> Interesting.
> 
> I got tested with
> #define MAX_PHYSMEM_BITS        31
> #define SECTION_SIZE_BITS       27
> 
> # cat /proc/sys/vm/min_free_kbytes
> 1832
> # echo 1828 > /proc/sys/vm/min_free_kbytes
> # cat /proc/sys/vm/min_free_kbytes
> 1828
> # echo 1820 > /proc/sys/vm/min_free_kbytes
> # cat /proc/sys/vm/min_free_kbytes
> 1820
> # echo 1700 > /proc/sys/vm/min_free_kbytes
> # cat /proc/sys/vm/min_free_kbytes
> 1700
> 
> No kernel panic.
> 

Thanks for your test on the board.

But I need your environment for comparing.

Please let me know.
Following is my board environment.



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