经过阅读源码,其实不少思路和Android的匿名内(nei)存有点相(xiang)似阅读本(ben)文(wen)之前就算不知道dma_buf的设(she)计思(si)想(xiang)也(ye)没关(guan)系(xi),我不会仔细(xi)到每一行,我会(hui)注(zhu)重其在gralloc服务中(zhong)的(de)申(shen)请流程(cheng),看(kan)看ion是(shi)如(ru)何管理(li)共享内存,为什(shi)么要抛弃ashmem我们
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