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【beat365官网中文版本】

经(jīng )过阅(yuè )读源码(mǎ ),其实(shí )不(bú )少(shǎo )思路和Android的匿名(míng )内存有点相(xiàng )似阅(yuè )读本文之前就算不知道dma_buf的设(shè )计思想也没关系,我不(bú )会仔(zǎi )细(xì )到(dào )每一行,我会(huì )注重其(qí )在gralloc服(fú )务(wù )中(zhōng )的申(shēn )请流程,看看(kàn )ion是如何(hé )管理共(gòng )享内(nèi )存(cún ),为什么要抛(pāo )弃ashmem我们(men )

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