Lines Matching defs:pfn
17 #include <linux/pfn.h>
67 unsigned long pfn;
69 for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) {
70 struct page *page = pfn_to_page(pfn);
73 if (!memblock_is_reserved(pfn << PAGE_SHIFT))
185 int page_is_ram(unsigned long pfn)
187 return __range_ok(pfn, 0);
190 int page_is_ram(unsigned long pfn)
192 return pfn < max_low_pfn;