经(jing)过阅(yue)读源码,其实(shi)不少思路和Android的(de)匿名(ming)内存(cun)有点相似阅读(du)本文之前就算不(bu)知道dma_buf的设计思想也没关系,我不会仔细到(dao)每一行,我(wo)会注重其(qi)在(zai)gralloc服(fu)务(wu)中(zhong)的申请流(liu)程(cheng),看看ion是如(ru)何管理共(gong)享内存,为(wei)什(shi)么要(yao)抛弃ashmem我们
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