经(jing)过阅读源码,其实不少思路和(he)Android的匿名内存(cun)有(you)点相(xiang)似阅读本文之(zhi)前(qian)就(jiu)算(suan)不(bu)知道dma_buf的设计思想也没关系,我不会仔细到每(mei)一行,我会注重其(qi)在gralloc服(fu)务中(zhong)的申请流程(cheng),看(kan)看(kan)ion是(shi)如(ru)何管理共享内存,为什(shi)么要抛弃(qi)ashmem我(wo)们
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