经过阅读源码,其实不少思路和Android的(de)匿名(ming)内存有(you)点(dian)相似(si)阅(yue)读本文之(zhi)前就算不知(zhi)道dma_buf的设(she)计思(si)想也没关(guan)系,我不会(hui)仔细到每(mei)一(yi)行,我会注重其(qi)在gralloc服务中(zhong)的申请(qing)流程,看看ion是如何管(guan)理共(gong)享内存,为什么要(yao)抛(pao)弃ashmem我们(men)
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