经(jing)过(guo)阅读源码,其实不少思(si)路和Android的匿名(ming)内存有点相(xiang)似阅读本文(wen)之前(qian)就(jiu)算不知道dma_buf的设计思想(xiang)也没关(guan)系(xi),我不会仔细(xi)到每一行,我会(hui)注重(chong)其在gralloc服务中的申请流程,看看(kan)ion是(shi)如何管理共(gong)享内(nei)存,为(wei)什(shi)么要抛(pao)弃ashmem我们
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