经过(guo)阅读源码,其实不少思(si)路(lu)和Android的(de)匿名内存有点相似阅读本文之前(qian)就算(suan)不知(zhi)道dma_buf的设(she)计思想(xiang)也没关系,我不(bu)会仔细到每一行(hang),我(wo)会(hui)注(zhu)重其(qi)在gralloc服务中(zhong)的申请流程,看看ion是如何管(guan)理(li)共(gong)享内存,为(wei)什(shi)么要抛(pao)弃ashmem我们
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