经过(guo)阅读源码,其实(shi)不少思(si)路和Android的匿名内(nei)存有点(dian)相(xiang)似阅读本文(wen)之前就算不知(zhi)道dma_buf的设(she)计思想(xiang)也没(mei)关(guan)系,我不会仔细(xi)到每一行,我会(hui)注重其(qi)在gralloc服务中的申(shen)请流程,看看(kan)ion是如何管理(li)共享内存,为(wei)什(shi)么要抛(pao)弃ashmem我们
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