经过阅(yue)读源(yuan)码,其实不少思路和Android的匿(ni)名内存有点相似阅(yue)读(du)本文之前就算(suan)不知(zhi)道(dao)dma_buf的设(she)计思想也没关(guan)系,我(wo)不会仔细(xi)到每一行,我会注(zhu)重其(qi)在gralloc服务中(zhong)的申请流(liu)程(cheng),看(kan)看ion是如何管(guan)理共(gong)享内(nei)存,为(wei)什么要抛(pao)弃ashmem我们
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