经过阅读(du)源码,其实不少思路(lu)和Android的匿名(ming)内(nei)存(cun)有(you)点相似(si)阅读本(ben)文之前就算不知(zhi)道dma_buf的设(she)计思想也(ye)没关系(xi),我不会仔细(xi)到每一行,我会注重其(qi)在gralloc服务中的申(shen)请流(liu)程(cheng),看(kan)看(kan)ion是如何管理共(gong)享内存,为(wei)什么要抛弃ashmem我们(men)
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