经过阅读源(yuan)码,其实(shi)不少思路(lu)和Android的匿名(ming)内存有点相似阅读本文之(zhi)前(qian)就算不知道dma_buf的设(she)计思想(xiang)也没关系,我不(bu)会仔(zai)细到每一行,我会注重(chong)其(qi)在gralloc服务中(zhong)的申请流(liu)程(cheng),看(kan)看ion是如何(he)管(guan)理(li)共享(xiang)内存(cun),为(wei)什么要抛弃ashmem我们
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