经过阅读源码,其实不(bu)少思路和(he)Android的匿名(ming)内存有点相似阅读本文(wen)之前就(jiu)算不知(zhi)道dma_buf的设计(ji)思想(xiang)也没关系(xi),我不会(hui)仔细到每一行,我会(hui)注重其在gralloc服务中(zhong)的(de)申请(qing)流程(cheng),看看ion是如何管理共(gong)享(xiang)内存(cun),为(wei)什(shi)么(me)要(yao)抛(pao)弃ashmem我们
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