经(jing)过阅(yue)读源(yuan)码,其实(shi)不少(shao)思路和(he)Android的匿名内(nei)存有点相似阅读本文之前就算(suan)不知道dma_buf的设(she)计思想也没关(guan)系,我不会(hui)仔细到每(mei)一行,我会(hui)注重(chong)其(qi)在gralloc服务中的申请流程,看(kan)看ion是(shi)如(ru)何管(guan)理共(gong)享内存,为(wei)什么要(yao)抛弃(qi)ashmem我们
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