经过阅读(du)源码,其实不少思(si)路和(he)Android的匿名内存有点(dian)相(xiang)似阅读本文之前就(jiu)算不知(zhi)道(dao)dma_buf的设计思想也没关系,我不会(hui)仔细到(dao)每(mei)一行,我(wo)会注重(chong)其在(zai)gralloc服务中的申请流程(cheng),看看ion是(shi)如何管(guan)理共(gong)享(xiang)内(nei)存,为什么要(yao)抛弃ashmem我(wo)们
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