经过阅读源码,其实(shi)不少思路和Android的匿(ni)名内(nei)存(cun)有点(dian)相(xiang)似阅读本文之前(qian)就算不知(zhi)道dma_buf的设计思想也没关(guan)系,我(wo)不会仔细到每一行,我会(hui)注重其(qi)在gralloc服务中的(de)申请流程,看(kan)看(kan)ion是如(ru)何管(guan)理(li)共(gong)享内存(cun),为(wei)什(shi)么要抛(pao)弃ashmem我们
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