经过阅读源码,其(qi)实不(bu)少思路和Android的匿名(ming)内存(cun)有(you)点相(xiang)似阅读本文(wen)之前(qian)就(jiu)算(suan)不知道dma_buf的设(she)计思(si)想(xiang)也(ye)没关系,我不会(hui)仔细到每一行,我会注重其在gralloc服务中(zhong)的申请流(liu)程,看(kan)看ion是如何管理共(gong)享内存,为什么要抛弃(qi)ashmem我(wo)们
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