经过(guo)阅读源码,其实(shi)不少思路和(he)Android的匿名内(nei)存有(you)点相(xiang)似(si)阅读本文之前(qian)就算不知(zhi)道(dao)dma_buf的设(she)计思想也(ye)没关系(xi),我不会(hui)仔细(xi)到每一行,我会注重(chong)其(qi)在gralloc服务(wu)中(zhong)的申请流程,看(kan)看(kan)ion是如何(he)管(guan)理共享内存,为什么要抛弃ashmem我们
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