经过阅(yue)读源码,其实不少(shao)思路和Android的匿名(ming)内存有点(dian)相似(si)阅(yue)读(du)本文之前就算不知道dma_buf的设(she)计思想(xiang)也没关(guan)系,我(wo)不会仔细(xi)到(dao)每一行,我会注(zhu)重其在gralloc服务中的申请(qing)流程,看(kan)看ion是(shi)如(ru)何管理共(gong)享内(nei)存,为什么要(yao)抛弃ashmem我们
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