经(jing)过阅读源码,其实不少思路和Android的(de)匿(ni)名内存有点相似(si)阅(yue)读本文之(zhi)前(qian)就算不知(zhi)道dma_buf的设(she)计思(si)想(xiang)也(ye)没关系,我不会仔细到(dao)每一行,我会注重其在(zai)gralloc服务(wu)中(zhong)的申请流程,看看(kan)ion是如(ru)何管理共享内(nei)存(cun),为(wei)什(shi)么要抛弃ashmem我(wo)们
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