经(jing)过阅(yue)读(du)源码,其实不少(shao)思路和(he)Android的匿名内存有点相(xiang)似阅读(du)本文之前(qian)就算不知道dma_buf的设(she)计思(si)想也没关系,我(wo)不会仔细(xi)到每一行,我会注重其(qi)在gralloc服务中(zhong)的申(shen)请流程(cheng),看看ion是如(ru)何管理共(gong)享内存,为什么要抛(pao)弃(qi)ashmem我(wo)们(men)
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