经过阅读(du)源码,其实不少思路(lu)和Android的匿(ni)名(ming)内存有点相似阅(yue)读(du)本文之(zhi)前(qian)就算不知(zhi)道(dao)dma_buf的设(she)计思想也没关系,我不会仔细到(dao)每一行(hang),我(wo)会注(zhu)重(chong)其在gralloc服务(wu)中(zhong)的(de)申请流程,看(kan)看ion是如何管理(li)共享内存,为什(shi)么要抛(pao)弃ashmem我们
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