经(jing)过阅读源码,其(qi)实不(bu)少(shao)思(si)路和Android的匿名(ming)内存有(you)点(dian)相似阅读本(ben)文之前就算不知(zhi)道(dao)dma_buf的设(she)计思想也没(mei)关系,我不(bu)会仔细(xi)到每一行(hang),我会注重其(qi)在gralloc服务(wu)中的申请流程,看看ion是如(ru)何管(guan)理(li)共享内存,为什(shi)么要抛(pao)弃ashmem我们
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