经过阅读源码,其(qi)实不(bu)少思路(lu)和(he)Android的匿(ni)名内存有点(dian)相(xiang)似阅读本文之(zhi)前就算不(bu)知道dma_buf的设(she)计思(si)想(xiang)也没关系,我不会仔细(xi)到每一行,我会注(zhu)重(chong)其(qi)在gralloc服(fu)务中(zhong)的申请流(liu)程,看看ion是如(ru)何管理共享(xiang)内(nei)存,为什(shi)么要抛弃ashmem我们
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