经(jing)过阅(yue)读源(yuan)码,其实不少思路和(he)Android的匿名内存有(you)点相似阅(yue)读本文之前(qian)就算不知道dma_buf的设(she)计(ji)思想也没关系,我不会(hui)仔细到每一行,我(wo)会注重其(qi)在gralloc服务中的(de)申请(qing)流程,看(kan)看ion是(shi)如何管(guan)理共(gong)享内存,为(wei)什(shi)么要(yao)抛弃ashmem我们(men)
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