经过阅读源码,其实不少思路(lu)和Android的匿名内存有(you)点相似阅读本(ben)文之前(qian)就(jiu)算不(bu)知(zhi)道dma_buf的设(she)计思想(xiang)也没(mei)关系,我不会仔细到每一行,我会注重其在(zai)gralloc服务中的(de)申请流程(cheng),看(kan)看ion是如何管(guan)理(li)共(gong)享(xiang)内存,为什(shi)么要抛(pao)弃ashmem我(wo)们
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