经过阅(yue)读源码,其实(shi)不少思路和Android的匿名内存有点(dian)相似(si)阅读(du)本文之(zhi)前就算不知(zhi)道(dao)dma_buf的设计(ji)思想也没关系,我(wo)不(bu)会仔(zai)细到每(mei)一行,我会(hui)注(zhu)重(chong)其在gralloc服务中(zhong)的申请流程(cheng),看看ion是(shi)如何管(guan)理共(gong)享内(nei)存,为什么要抛(pao)弃ashmem我们
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