FDT_ALIGN
return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8))
mem_rsv_off = FDT_ALIGN(sizeof(struct fdt_header), 8);
newsize = FDT_ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size
const int hdrsize = FDT_ALIGN(sizeof(struct fdt_header),
#define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE))