struct lmb {
struct lmb_region memory;
struct lmb_region reserved;
-#if !IS_ENABLED(CONFIG_LMB_USE_MAX_REGIONS)
+#if IS_ENABLED(CONFIG_LMB_MEMORY_REGIONS)
struct lmb_property memory_regions[CONFIG_LMB_MEMORY_REGIONS];
struct lmb_property reserved_regions[CONFIG_LMB_RESERVED_REGIONS];
#endif