经(jīng )过阅(yuè )读源(yuán )码(mǎ ),其实不(bú )少思路和Android的(de )匿名内存有点相似阅读本(běn )文之前就(jiù )算不知道dma_buf的设(shè )计思想(xiǎng )也没关系(xì ),我(wǒ )不(bú )会仔细到每(měi )一行,我会注重其在gralloc服务(wù )中(zhōng )的申(shēn )请(qǐng )流(liú )程(chéng ),看(kàn )看(kàn )ion是(shì )如何管理共享内存(cún ),为什么要(yào )抛(pāo )弃ashmem我(wǒ )们
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