out_start_pfn 222 include/linux/memblock.h void __next_mem_pfn_range(int *idx, int nid, unsigned long *out_start_pfn, out_start_pfn 1197 mm/memblock.c unsigned long *out_start_pfn, out_start_pfn 1216 mm/memblock.c if (out_start_pfn) out_start_pfn 1217 mm/memblock.c *out_start_pfn = PFN_UP(r->base);