经过阅读源码,其实不少思路和Android的匿名内存(cun)有点相(xiang)似阅(yue)读本(ben)文之前就(jiu)算不知道(dao)dma_buf的设(she)计思(si)想也没关系,我(wo)不会仔(zai)细(xi)到每(mei)一行,我(wo)会注(zhu)重其在gralloc服务中的申请流程,看(kan)看ion是如何管(guan)理共(gong)享内存,为(wei)什(shi)么(me)要(yao)抛弃ashmem我们(men)
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