经过(guo)阅(yue)读(du)源码,其实不少思路和Android的匿(ni)名内存有点相似阅读本文之(zhi)前(qian)就算不知道(dao)dma_buf的设计思想也(ye)没关系,我不会(hui)仔细到(dao)每一行(hang),我会注重(chong)其(qi)在gralloc服(fu)务(wu)中的申请(qing)流(liu)程(cheng),看看ion是如何(he)管(guan)理共(gong)享内存,为什(shi)么要抛弃ashmem我(wo)们
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