经(jing)过阅读源(yuan)码,其实(shi)不少思路和Android的匿名内存有点相似阅读本(ben)文之前(qian)就算不知道dma_buf的设计(ji)思想也没(mei)关(guan)系,我(wo)不(bu)会仔(zai)细到每一行,我会注重其在gralloc服务中(zhong)的(de)申请流程(cheng),看(kan)看(kan)ion是(shi)如(ru)何管理共(gong)享(xiang)内存,为什(shi)么要抛弃(qi)ashmem我们(men)
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