Which allocation scheme does ESP8266 RTOS SDK use?

I wanted to know which memory allocation scheme (heap_1.c, heap_2.c, heap_3.c, heap_4.c or heap_5.c) was used in the ESP8266 RTOS SDK. This is not mentioned anywhere in the docs (I’ve looked as of 1/12/16). What to do? Let’s just take a look at what is compiled in then.

Actually, this works even with a […]