经(jing)过(guo)阅读源码,其(qi)实不少思路(lu)和Android的匿名(ming)内(nei)存有点相(xiang)似阅(yue)读(du)本文(wen)之(zhi)前(qian)就算不知道dma_buf的设计(ji)思(si)想也没关系,我不会仔(zai)细到每一行,我(wo)会(hui)注重其在gralloc服务中(zhong)的申请流程,看(kan)看(kan)ion是如(ru)何管(guan)理共享内存,为什么要抛弃(qi)ashmem我们
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