经(jing)过阅读(du)源码,其实(shi)不少思路和(he)Android的匿名(ming)内存有点相似阅读本文之前就算不知(zhi)道dma_buf的设(she)计思(si)想(xiang)也(ye)没关(guan)系,我不会(hui)仔细到(dao)每(mei)一行,我会注重其在gralloc服(fu)务(wu)中(zhong)的申请流程,看看ion是(shi)如(ru)何管理(li)共享内存,为(wei)什么要(yao)抛弃ashmem我们(men)
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