Pre-allocate CMA memory that configured in device tree, this greatly improves the CMA memory allocation efficiency, cma_[alloc|free] is less than 1ms, old way is took a few ms to tens or hundreds ms.
Thanks. Best Regards, Zou Jichao 邹纪超 Advisory Engineer, SW BSP MBG ROW SW BJ PF BSP (CN) Motorola Mobility, A Lenovo Company motorola.com
0001-cma-optimize-cma-allocation.patch
Description: 0001-cma-optimize-cma-allocation.patch
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