经(jing)过(guo)阅读(du)源(yuan)码,其实(shi)不少思路(lu)和Android的匿名内存有(you)点相似阅(yue)读(du)本文之(zhi)前就算(suan)不知道dma_buf的设(she)计思想也没关系,我不会仔细到每一行,我会注重其在gralloc服务中(zhong)的申请流(liu)程,看(kan)看ion是(shi)如(ru)何管(guan)理共享内存,为(wei)什(shi)么要(yao)抛弃ashmem我们
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