pfn_or_page       600 tools/perf/builtin-kmem.c static bool valid_page(u64 pfn_or_page)
pfn_or_page       602 tools/perf/builtin-kmem.c 	if (use_pfn && pfn_or_page == -1UL)
pfn_or_page       604 tools/perf/builtin-kmem.c 	if (!use_pfn && pfn_or_page == 0)