经过阅(yue)读源码,其(qi)实不(bu)少(shao)思(si)路和Android的匿(ni)名内存有点(dian)相似阅读本文之前(qian)就算不(bu)知(zhi)道dma_buf的设(she)计思想也没(mei)关系,我不会(hui)仔细到每一行,我(wo)会注重(chong)其(qi)在gralloc服务中的申请流(liu)程,看看(kan)ion是(shi)如何管理共(gong)享内存,为(wei)什么要抛弃(qi)ashmem我们(men)
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