经(jing)过阅读源码(ma),其实不(bu)少思路和(he)Android的匿名内(nei)存有(you)点(dian)相似阅(yue)读本文之前就算不知(zhi)道dma_buf的设(she)计思想也(ye)没关系,我不(bu)会仔细到每一行,我会注(zhu)重其在(zai)gralloc服务中(zhong)的申请流(liu)程,看看(kan)ion是(shi)如(ru)何管(guan)理共享内(nei)存(cun),为什么要抛(pao)弃ashmem我(wo)们
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