经过阅读源码,其实(shi)不(bu)少思路和(he)Android的匿名内存有点相似阅读(du)本文之(zhi)前(qian)就(jiu)算不知道dma_buf的设计思想也没关系,我不会仔细到(dao)每(mei)一行(hang),我会注重(chong)其在gralloc服务中(zhong)的申(shen)请流(liu)程(cheng),看看ion是如(ru)何管理共(gong)享内(nei)存,为(wei)什么要抛(pao)弃ashmem我(wo)们(men)
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