经过阅(yue)读源码,其实(shi)不少思(si)路和Android的匿名内存有点相似阅读本文(wen)之前就算不知道dma_buf的设计思想(xiang)也没关(guan)系,我(wo)不会(hui)仔细到(dao)每一行(hang),我(wo)会注重其(qi)在gralloc服务中(zhong)的(de)申请流程(cheng),看看ion是如何(he)管(guan)理共(gong)享内(nei)存,为什(shi)么(me)要抛(pao)弃ashmem我们
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