经(jing)过阅(yue)读源码,其实不(bu)少思路和(he)Android的匿(ni)名内存有(you)点相似阅读(du)本文之(zhi)前就算不知道(dao)dma_buf的设(she)计思想(xiang)也没关系,我不会(hui)仔细(xi)到每一(yi)行,我会注重其在gralloc服(fu)务中(zhong)的申请流程,看(kan)看ion是如(ru)何管理共(gong)享内存(cun),为(wei)什么要(yao)抛弃ashmem我们(men)
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