经过阅读源码,其(qi)实不少(shao)思路(lu)和(he)Android的匿名内存有点(dian)相似阅读本文之前就算不知(zhi)道dma_buf的(de)设计(ji)思(si)想(xiang)也没关系,我不会仔细到每一行,我会(hui)注重其(qi)在gralloc服务中(zhong)的申请流(liu)程(cheng),看看ion是(shi)如(ru)何管理共(gong)享内存,为什(shi)么要抛(pao)弃(qi)ashmem我(wo)们
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