> On Oct 24, 2019, at 1:34 AM, Feng Tang <feng.tang@xxxxxxxxx> wrote: > > One example is, there was a platform with limited DRAM, so it preset > some CMA memory for camera's big buffer allocation use, while it let > these memory to be shared by others when camera was not used. And > after long time running, the cma region got fragmented and camera > app started to fail due to the buffer allocation failure. And during > debugging, we kept monitoring the buddy info for different migrate > types. For CMA-specific debugging, why CMA debugfs is not enough?
