经过阅读源(yuan)码(ma),其实不少思路(lu)和Android的匿(ni)名内存有点(dian)相(xiang)似阅读本文之前(qian)就算不知(zhi)道(dao)dma_buf的设计思想也没(mei)关系,我不会仔细到每一(yi)行,我会注(zhu)重(chong)其在gralloc服务中(zhong)的申请流程,看看(kan)ion是(shi)如(ru)何管理(li)共(gong)享内存(cun),为(wei)什么要抛(pao)弃ashmem我们
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