经(jing)过阅读源码,其实不少思路(lu)和Android的匿名(ming)内(nei)存有点相(xiang)似阅读本文之(zhi)前就(jiu)算不知道dma_buf的设计思想也没关系(xi),我不(bu)会(hui)仔(zai)细到(dao)每(mei)一行,我会(hui)注重其在gralloc服(fu)务(wu)中(zhong)的申请流程,看看ion是如(ru)何管理共(gong)享内存,为什(shi)么要抛(pao)弃ashmem我(wo)们
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