经过阅读源码,其实(shi)不少思路和Android的匿名(ming)内(nei)存有(you)点相似(si)阅(yue)读(du)本文之(zhi)前(qian)就算不知道dma_buf的设(she)计思(si)想也没关系(xi),我不(bu)会(hui)仔细到每一行(hang),我会注重其在(zai)gralloc服(fu)务(wu)中的申请(qing)流程,看(kan)看(kan)ion是如何管(guan)理共(gong)享内存,为什么要抛(pao)弃ashmem我们
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