经过阅读源码,其实不少(shao)思(si)路(lu)和(he)Android的匿(ni)名(ming)内(nei)存(cun)有(you)点相似阅读本(ben)文之前就(jiu)算(suan)不(bu)知(zhi)道dma_buf的设计思想也没关系,我不会仔细到每一行,我会(hui)注重其(qi)在gralloc服(fu)务中(zhong)的申请流程,看看(kan)ion是如何管(guan)理共享内存,为什(shi)么要抛(pao)弃ashmem我们
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