reservedmem 240 include/asm-generic/vmlinux.lds.h #define RESERVEDMEM_OF_TABLES() OF_TABLE(CONFIG_OF_RESERVED_MEM, reservedmem) reservedmem 30 include/linux/of_reserved_mem.h _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn)