经过(guo)阅读源码,其实不少思路和(he)Android的匿(ni)名(ming)内存有点(dian)相(xiang)似阅读本文之前就算不知道dma_buf的(de)设(she)计(ji)思想也没关系,我(wo)不会(hui)仔细到(dao)每一行,我会注重其在gralloc服务(wu)中(zhong)的申请(qing)流程,看看(kan)ion是如何管(guan)理共(gong)享内存(cun),为什么要(yao)抛(pao)弃(qi)ashmem我(wo)们
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