经过阅读(du)源码,其实不少思路和Android的(de)匿名内(nei)存(cun)有点(dian)相似阅读(du)本文之前就(jiu)算不(bu)知(zhi)道dma_buf的设计(ji)思想也没关系,我不(bu)会仔细(xi)到每一行,我会注(zhu)重其在gralloc服务中(zhong)的申请流程,看(kan)看ion是如(ru)何(he)管(guan)理共(gong)享内存(cun),为什么(me)要抛弃ashmem我(wo)们
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