经(jing)过阅(yue)读(du)源码,其实不少思(si)路和Android的匿名(ming)内存有(you)点相似阅读本文(wen)之前(qian)就算不知(zhi)道dma_buf的设计思(si)想也没关系,我不会(hui)仔(zai)细到每一行,我会(hui)注重其在gralloc服务中(zhong)的申请流程,看看ion是如何管(guan)理共(gong)享内存,为什(shi)么要(yao)抛弃ashmem我们(men)
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