经过(guo)阅读源码(ma),其实不(bu)少思路和(he)Android的匿名内(nei)存有点相似阅读(du)本文之前(qian)就算不知道dma_buf的设计思想也没(mei)关系,我不会仔细(xi)到每(mei)一行(hang),我会注重(chong)其(qi)在gralloc服(fu)务中(zhong)的申请流程(cheng),看看(kan)ion是如何(he)管(guan)理共享内存,为什(shi)么(me)要抛弃(qi)ashmem我们(men)
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