经过阅读源码,其(qi)实(shi)不少思路(lu)和Android的匿(ni)名内存有点相似阅读(du)本文之前(qian)就算不知道(dao)dma_buf的设计思想也没关(guan)系,我不会仔(zai)细到每一行,我(wo)会注重其(qi)在gralloc服务中(zhong)的申(shen)请(qing)流程,看看(kan)ion是(shi)如(ru)何管(guan)理共享内(nei)存,为什(shi)么(me)要抛(pao)弃ashmem我们(men)
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