经过阅(yue)读(du)源码,其实不(bu)少思路和(he)Android的匿名内存有点相似阅读本(ben)文(wen)之前(qian)就算不知(zhi)道(dao)dma_buf的设(she)计思(si)想也没(mei)关(guan)系,我不会仔细到每一行,我会注重(chong)其在gralloc服(fu)务(wu)中的申请流程,看(kan)看ion是如何管(guan)理(li)共(gong)享内存(cun),为什(shi)么要抛弃ashmem我们
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