经(jing)过阅读(du)源码,其实不少思路和Android的匿名内(nei)存有点(dian)相(xiang)似阅读本(ben)文之前就算不知道(dao)dma_buf的设(she)计思想(xiang)也没关(guan)系,我(wo)不(bu)会仔细(xi)到每一行(hang),我(wo)会注重其在gralloc服(fu)务中的申请流程(cheng),看看ion是(shi)如(ru)何管(guan)理共(gong)享内存,为什么要抛弃(qi)ashmem我们
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