经过阅读源码,其实不少(shao)思(si)路和Android的匿名内(nei)存有点(dian)相(xiang)似阅(yue)读本文之前就算不知道dma_buf的设计(ji)思想(xiang)也没关(guan)系,我不会(hui)仔细(xi)到每一行,我会注重(chong)其在gralloc服务中(zhong)的(de)申(shen)请流程,看看(kan)ion是(shi)如何管(guan)理(li)共(gong)享内存,为什(shi)么要抛弃(qi)ashmem我们
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