经过阅读源码,其实不(bu)少思路和Android的匿(ni)名内(nei)存有(you)点相似(si)阅读本文之前就(jiu)算不知道(dao)dma_buf的设(she)计思想也(ye)没关(guan)系,我不会仔细(xi)到(dao)每一行,我会(hui)注重(chong)其(qi)在(zai)gralloc服务中的申请流程,看看ion是(shi)如何管理共(gong)享(xiang)内存,为什(shi)么要抛(pao)弃ashmem我们
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