quoted

+#define VMALLOC_END	(PAGE_OFFSET + 0x10000000)

grepping shows that defining VMALLOC_END based on PAGE_OFFSET is usual,
but I wonder why you don't just

The maximum addressable DRAM sizing is 256MB when fully populated. It seemed
the right size. 0xF0000000 works too though, I have no problems changing it.

	#define VMALLOC_END 0xF0000000