经(jing)过阅读源码,其(qi)实不少思路(lu)和Android的匿名内存有(you)点(dian)相(xiang)似阅读本文之前就算不(bu)知道(dao)dma_buf的设(she)计(ji)思想也没关系,我不会仔细到每(mei)一(yi)行,我会注重其在gralloc服务中(zhong)的申请流(liu)程(cheng),看看ion是如何(he)管理共(gong)享内(nei)存,为什(shi)么要(yao)抛(pao)弃ashmem我们(men)
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