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                                            Noah-naihe

The reserved space is used to expand the CMA space, and the u-dma-buf driver cannot be used normally

I refer to what you said, add the following device tree node in the device tree, but found that the compiler does not pass. I am using kernel 5.4.0, what...

The reserved space is used to expand the CMA space, and the u-dma-buf driver cannot be used normally

I use 16G DDR. According to xilinx system memory allocation, it is 2+14GB allocation, among which 2G is in 0x0-0x80000000 and the other 14GB is in 0x8 00000000. However, in...