On Fri, Jan 21, 2011 at 11:12:27AM +0900, KyongHo Cho wrote:

Since the size of section is 256 mib and NR_BANKS is defined as 8,
no ARM system can have more RAM than 2GiB in the current implementation.
If you want banks in meminfo not to cross sparsemem boundaries,
we need to find another way of physical memory specification in the kernel.

There is no problem with increasing NR_BANKS.

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