Unable to mine RVN / KawPow on 4 GB GPU due to error CL_INVALID_BUFFER_SIZE
GPU: XFX RX 470

xmrig:
` error CL_INVALID_BUFFER_SIZE when calling clCreateBuffer with buffer size 3506438144`

clinfo:
`Global memory size                              4294967296 (4GiB)`

`Global free memory (AMD)                        4128768 (3.938GiB) 3866624 (3.688GiB)`

`Max memory allocation                           3422552064 (3.188GiB)`

`Device Version                                  OpenCL 2.0 AMD-APP (3302.5)`

`Driver Version                                  3302.5 (PAL,HSAIL)`

How do I change `Max memory allocation                           3422552064 (3.188GiB)` ?