经过(guo)阅读源码,其实不(bu)少思路和(he)Android的匿(ni)名内(nei)存(cun)有点相(xiang)似阅读本(ben)文(wen)之前就算(suan)不知(zhi)道(dao)dma_buf的设计思想(xiang)也没关系(xi),我不会(hui)仔细到每一行,我会注(zhu)重其在gralloc服务中(zhong)的申请流程,看看ion是如何管(guan)理共享内存,为(wei)什(shi)么要抛(pao)弃ashmem我(wo)们(men)
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