经(jing)过阅(yue)读源码,其实不少思路和Android的匿名内存(cun)有点(dian)相似阅读本文之(zhi)前就算不知道dma_buf的设(she)计思想也(ye)没关系(xi),我(wo)不会仔细到(dao)每一行(hang),我会注重(chong)其在gralloc服务中的申请(qing)流程,看(kan)看ion是(shi)如何管(guan)理共(gong)享内存,为什(shi)么要抛(pao)弃(qi)ashmem我(wo)们
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