经(jing)过阅(yue)读(du)源码,其(qi)实不少思路和(he)Android的匿名内(nei)存有点相似阅读本(ben)文之前(qian)就(jiu)算不知(zhi)道(dao)dma_buf的(de)设(she)计思(si)想也没关(guan)系(xi),我不会仔细到每一行,我会(hui)注重其(qi)在gralloc服务中(zhong)的申请流(liu)程,看看ion是(shi)如何管理共(gong)享内存,为(wei)什么(me)要抛弃ashmem我们
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