经过阅读源码,其实不(bu)少思路和Android的匿(ni)名内存有点相似阅(yue)读本文之前(qian)就算不知道dma_buf的设(she)计思想也没(mei)关系,我(wo)不(bu)会仔细到每(mei)一行,我会(hui)注(zhu)重(chong)其在gralloc服(fu)务中(zhong)的申(shen)请流程,看看(kan)ion是如何(he)管(guan)理共享内(nei)存,为什(shi)么要抛(pao)弃ashmem我们(men)
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