A 4MB dma_alloc_coherent in kernel after malloc(2*1024) 40 times in CMA region by user space will cause an error on our ARM 3.18 kernel platform with a 32MB CMA.
It seems that the malloc in CMA region will be aligned to CMA_ALIGNMENT everytime even if the requested malloc size is very small so the CMA region is not available after the malloc operations. Is there any configuraiton that can change this behavior?? Thanks Cheers Ken
