page_to_boot_pfn
#define page_to_boot_pfn page_to_boot_pfn
#ifndef page_to_boot_pfn
pfn = page_to_boot_pfn(pages);
addr = page_to_boot_pfn(page) << PAGE_SHIFT;
if (page_to_boot_pfn(page) >
addr = page_to_boot_pfn(page) << PAGE_SHIFT;
result = kimage_add_page(image, page_to_boot_pfn(page)
pr_debug("allocated %zu DMA pages at 0x%lx", nr_pages, page_to_boot_pfn(p));
mem = page_to_boot_pfn(p) << PAGE_SHIFT;
kbuf->mem = page_to_boot_pfn(p) << PAGE_SHIFT;