经过阅读源码,其实(shi)不(bu)少思路(lu)和Android的匿名(ming)内存有点相(xiang)似阅读(du)本文之(zhi)前(qian)就算不知(zhi)道dma_buf的设计(ji)思想也(ye)没关系,我不(bu)会仔细到每(mei)一行,我(wo)会注重其在(zai)gralloc服(fu)务中(zhong)的申请(qing)流程,看看(kan)ion是如何管理共(gong)享内存,为什么(me)要抛(pao)弃ashmem我们
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