经过阅(yue)读(du)源码,其(qi)实(shi)不(bu)少(shao)思路和Android的匿名(ming)内存(cun)有点(dian)相似阅(yue)读本(ben)文之前就算不知(zhi)道dma_buf的设计思想(xiang)也没关(guan)系,我不会仔细到每一行,我会注重其在gralloc服务中(zhong)的申请流程(cheng),看(kan)看ion是(shi)如(ru)何管理(li)共享内存,为什(shi)么(me)要抛弃(qi)ashmem我们
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