经(jing)过阅读源码,其(qi)实不少思(si)路和(he)Android的匿(ni)名内存有点(dian)相(xiang)似阅(yue)读本文之(zhi)前(qian)就算(suan)不知道dma_buf的(de)设(she)计思想也(ye)没关系,我不(bu)会仔细到每一行,我(wo)会注重(chong)其(qi)在gralloc服务(wu)中(zhong)的申请流程,看(kan)看ion是(shi)如何管理共享内存,为什(shi)么(me)要抛弃ashmem我们
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