经过阅读源(yuan)码,其实不少思路和Android的匿名内存有点(dian)相(xiang)似阅(yue)读(du)本文之(zhi)前就算不(bu)知(zhi)道dma_buf的设计思想也(ye)没(mei)关系,我(wo)不会仔细到(dao)每一行(hang),我会注重(chong)其(qi)在gralloc服务中的申(shen)请流程,看看(kan)ion是(shi)如(ru)何管理共(gong)享(xiang)内存,为什(shi)么要抛(pao)弃ashmem我们
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