经(jīng )过阅读(dú )源(yuán )码,其实不少(shǎo )思路和Android的匿名(míng )内存(cún )有点相似阅读本文之(zhī )前就(jiù )算不知道dma_buf的(de )设计思想(xiǎng )也没关系(xì ),我不(bú )会(huì )仔细到每一行(háng ),我会注重其(qí )在gralloc服务中的申(shēn )请(qǐng )流(liú )程(chéng ),看(kàn )看ion是如何(hé )管(guǎn )理共享内存(cún ),为什么(me )要(yào )抛弃ashmem我们
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