early_memtest
early_memtest((phys_addr_t)min_low_pfn << PAGE_SHIFT,
early_memtest(min << PAGE_SHIFT, max << PAGE_SHIFT);
early_memtest(PFN_PHYS(ARCH_PFN_OFFSET), PFN_PHYS(max_low_pfn));
early_memtest(min_addr, max_addr);
early_memtest(PFN_PHYS(ARCH_PFN_OFFSET), PFN_PHYS(max_low_pfn));
early_memtest(min_low_pfn << PAGE_SHIFT, max_low_pfn << PAGE_SHIFT);
early_memtest(min_low_pfn << PAGE_SHIFT, max_low_pfn << PAGE_SHIFT);
early_memtest(0, max_pfn_mapped << PAGE_SHIFT);
early_memtest((phys_addr_t)min_low_pfn << PAGE_SHIFT,
void early_memtest(phys_addr_t start, phys_addr_t end);