经过阅读源码,其实(shi)不(bu)少思路(lu)和Android的匿名内存(cun)有点(dian)相(xiang)似阅读(du)本文之前(qian)就算不知道dma_buf的设(she)计(ji)思想(xiang)也没关(guan)系,我(wo)不(bu)会(hui)仔细到每一行,我(wo)会注重其(qi)在gralloc服务(wu)中(zhong)的申(shen)请流程,看(kan)看ion是如何管理共享内存,为什(shi)么要抛弃ashmem我们(men)
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