经过(guo)阅读源码,其实不少思路和Android的匿名(ming)内存有点(dian)相似阅读本(ben)文之前就算不知道dma_buf的设计思想也(ye)没关系,我不会仔(zai)细到每一行,我(wo)会(hui)注(zhu)重(chong)其(qi)在gralloc服(fu)务中(zhong)的申请流(liu)程,看看ion是如(ru)何管(guan)理共(gong)享(xiang)内存(cun),为(wei)什么要抛弃(qi)ashmem我们
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