经(jing)过阅读源码,其实不少思路和Android的匿名内存有点相(xiang)似阅读本文之前就算不(bu)知道(dao)dma_buf的设(she)计(ji)思想(xiang)也没关(guan)系,我不会仔细到每(mei)一行,我会(hui)注重其(qi)在gralloc服(fu)务中的申请流程(cheng),看(kan)看ion是(shi)如何管(guan)理共(gong)享内存,为(wei)什么要(yao)抛弃(qi)ashmem我(wo)们(men)
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