经(jing)过(guo)阅读源码(ma),其实不少思路和Android的匿名内(nei)存有(you)点相似阅读本文之前就算不知道dma_buf的设计思想也没关系,我不会(hui)仔细到(dao)每一行,我(wo)会注(zhu)重其在gralloc服(fu)务中(zhong)的申请(qing)流(liu)程(cheng),看(kan)看(kan)ion是如何管(guan)理共享内存,为(wei)什(shi)么(me)要抛(pao)弃ashmem我们(men)
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