经过阅(yue)读源码,其实不(bu)少思路(lu)和(he)Android的匿名内存有(you)点相似阅(yue)读(du)本文之前(qian)就算不知道dma_buf的设(she)计(ji)思想(xiang)也没关系(xi),我不会仔细到每一行,我会注重(chong)其(qi)在gralloc服务(wu)中(zhong)的申请流程,看看ion是(shi)如何管(guan)理共(gong)享内存,为什么要抛(pao)弃ashmem我们(men)
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