经过阅(yuè )读源码,其实不少思(sī )路和Android的匿名内存(cún )有点相(xiàng )似阅读本文(wén )之(zhī )前就(jiù )算(suàn )不知道dma_buf的设(shè )计思想也没关系,我不会(huì )仔细到每一(yī )行,我会注重(chóng )其在gralloc服务中的申(shēn )请流程(chéng ),看(kàn )看ion是如何管(guǎn )理(lǐ )共享内存,为什么要抛弃ashmem我(wǒ )们(men )
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