经过阅读源码(ma),其实不(bu)少思路和(he)Android的匿名内存有点相(xiang)似阅(yue)读(du)本(ben)文(wen)之前就(jiu)算不知(zhi)道dma_buf的设计思(si)想(xiang)也(ye)没(mei)关(guan)系(xi),我不会仔细到每(mei)一行,我会注重其在gralloc服务中(zhong)的申(shen)请(qing)流程,看看ion是如何管(guan)理共(gong)享内存,为什么要抛弃ashmem我(wo)们
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