经过阅(yue)读源(yuan)码,其实不(bu)少思路(lu)和Android的匿名内(nei)存有点(dian)相(xiang)似阅(yue)读本文之前(qian)就算不知(zhi)道dma_buf的设计思想(xiang)也没关系,我(wo)不会仔细到每一行,我会(hui)注重(chong)其(qi)在gralloc服务中的申请流(liu)程(cheng),看看ion是如(ru)何管(guan)理共享内(nei)存,为什(shi)么(me)要抛弃ashmem我们
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