经过(guo)阅读源码,其实不(bu)少思(si)路和Android的(de)匿名内(nei)存(cun)有(you)点相似阅读本文之前(qian)就算不知道(dao)dma_buf的设(she)计(ji)思想也没(mei)关系,我(wo)不会仔细到每一行,我会注(zhu)重(chong)其(qi)在(zai)gralloc服务中(zhong)的申(shen)请流程,看看ion是如(ru)何(he)管(guan)理共享内存,为什么要抛(pao)弃ashmem我们(men)
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