经过阅读源(yuan)码,其(qi)实不少(shao)思路和Android的匿名(ming)内存有点(dian)相似阅读本文之前就(jiu)算(suan)不知道dma_buf的设(she)计思想也(ye)没关系(xi),我不会仔(zai)细(xi)到每(mei)一行,我会(hui)注重其在gralloc服(fu)务中(zhong)的申(shen)请流(liu)程(cheng),看(kan)看ion是如(ru)何管(guan)理共享(xiang)内存,为什么要抛(pao)弃ashmem我们
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