经(jing)过阅(yue)读源(yuan)码,其实不少思路(lu)和Android的匿名内存有点相似阅读本(ben)文之前就算不知道dma_buf的设(she)计思(si)想也没(mei)关系(xi),我不(bu)会(hui)仔细(xi)到每一行,我会(hui)注重(chong)其在(zai)gralloc服务中(zhong)的申请流程,看(kan)看(kan)ion是如何管理共(gong)享内存,为什(shi)么(me)要抛弃ashmem我们
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