经过阅读源码(ma),其实不少(shao)思(si)路和Android的匿名内(nei)存(cun)有点相(xiang)似阅读本文之前就(jiu)算不知道dma_buf的设(she)计思想也没关系,我(wo)不(bu)会(hui)仔(zai)细到每一行,我会注重(chong)其(qi)在gralloc服务中的申请(qing)流程(cheng),看看(kan)ion是如何管(guan)理共享内存(cun),为什(shi)么要抛(pao)弃ashmem我(wo)们(men)
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