经过阅读(du)源(yuan)码,其实(shi)不(bu)少思路(lu)和Android的匿名(ming)内存有(you)点(dian)相似阅读本(ben)文(wen)之前(qian)就算不知道dma_buf的(de)设(she)计思想也没关(guan)系,我不(bu)会仔细到(dao)每一行,我会(hui)注重其在gralloc服务(wu)中(zhong)的申(shen)请(qing)流程,看看(kan)ion是如何管理共享内存,为什么要抛(pao)弃ashmem我们
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