经过阅(yue)读源码,其实不少思路和(he)Android的匿名(ming)内存有点(dian)相似(si)阅读本文之(zhi)前就(jiu)算不(bu)知道(dao)dma_buf的设计思想也没关(guan)系,我不会(hui)仔细到每一行(hang),我会注重其(qi)在gralloc服(fu)务中(zhong)的申请流(liu)程,看看ion是如何管(guan)理共(gong)享内存,为(wei)什(shi)么要抛(pao)弃ashmem我(wo)们
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