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经过阅读(dú )源码(mǎ ),其实不(bú )少思(sī )路和Android的匿(nì )名内(nèi )存有(yǒu )点相(xiàng )似阅读本文之(zhī )前就(jiù )算不知(zhī )道dma_buf的设计(jì )思(sī )想(xiǎng )也没(méi )关系,我不会仔(zǎi )细到(dào )每(měi )一(yī )行,我会(huì )注(zhù )重其在gralloc服务中(zhōng )的申(shēn )请流程,看看ion是如何管(guǎn )理共(gòng )享内存,为什么要(yào )抛弃ashmem我们

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