经过(guo)阅读源码,其实不少思路(lu)和Android的匿名内(nei)存有点相似(si)阅(yue)读本(ben)文之(zhi)前(qian)就算不知道(dao)dma_buf的设(she)计思想也(ye)没关系,我(wo)不(bu)会仔(zai)细到每一行,我会(hui)注(zhu)重(chong)其在gralloc服务中(zhong)的申请流程,看看(kan)ion是如何管(guan)理共(gong)享内(nei)存,为(wei)什么要抛弃ashmem我们
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