early_pfn_valid    51 arch/x86/include/asm/mmzone_32.h #define early_pfn_valid(pfn)	pfn_valid((pfn))
early_pfn_valid  1212 include/linux/mmzone.h #define early_pfn_valid(pfn)	pfn_valid(pfn)
early_pfn_valid  1226 include/linux/mmzone.h #define early_pfn_valid(pfn)	(1)