经(jing)过(guo)阅(yue)读源码,其实(shi)不少思路和Android的匿名内存有点相似阅读本文之前就(jiu)算不知(zhi)道dma_buf的设计思想也没(mei)关(guan)系,我不(bu)会仔细(xi)到每(mei)一(yi)行,我(wo)会注(zhu)重(chong)其(qi)在gralloc服务中的申请流程(cheng),看看(kan)ion是如(ru)何管理共(gong)享内存,为什(shi)么要抛弃ashmem我(wo)们(men)
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