经过(guo)阅读源码,其(qi)实不少(shao)思(si)路和(he)Android的匿名内存有点相似阅读本文之前就算不知道dma_buf的设(she)计思想(xiang)也没关系,我不(bu)会仔细到每一(yi)行,我会(hui)注(zhu)重(chong)其在gralloc服务(wu)中(zhong)的申请(qing)流程,看看(kan)ion是如何管(guan)理共(gong)享内(nei)存,为(wei)什么(me)要抛弃ashmem我们(men)
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