经过(guo)阅(yue)读源码,其实不少思路和Android的匿(ni)名内存(cun)有点相(xiang)似阅(yue)读本文(wen)之前就算不知道dma_buf的设计思想也没关(guan)系(xi),我不(bu)会仔细(xi)到(dao)每一行,我会注重其在gralloc服务(wu)中(zhong)的申(shen)请流程,看看(kan)ion是如何管(guan)理共享内存(cun),为什(shi)么要抛(pao)弃ashmem我(wo)们
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