经过阅(yue)读源(yuan)码,其实不少思路和(he)Android的匿(ni)名(ming)内存有点(dian)相似阅读本文之前就(jiu)算不知道dma_buf的设计思想(xiang)也没(mei)关(guan)系,我不会仔细到每(mei)一行,我会注(zhu)重其(qi)在gralloc服务中(zhong)的申(shen)请流程,看(kan)看(kan)ion是如何管理共(gong)享内存,为什(shi)么(me)要抛弃ashmem我(wo)们
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