经过(guo)阅(yue)读源码,其实(shi)不少思路(lu)和Android的(de)匿(ni)名内存有点相(xiang)似阅读本文(wen)之前就(jiu)算不知道dma_buf的设计(ji)思想也没关系,我不会仔(zai)细到(dao)每一行,我(wo)会注重其(qi)在gralloc服务中(zhong)的申请流程(cheng),看看(kan)ion是如(ru)何管理共(gong)享内存,为什(shi)么(me)要(yao)抛弃ashmem我们
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