经过阅读源(yuan)码,其实不少思路和Android的匿名(ming)内存有点(dian)相(xiang)似阅读本文(wen)之前就算不知道dma_buf的设计(ji)思想也没关(guan)系(xi),我(wo)不会仔细(xi)到每一(yi)行,我会注重(chong)其在gralloc服(fu)务中(zhong)的申请流程(cheng),看(kan)看ion是(shi)如何管(guan)理共(gong)享内存,为什么(me)要抛(pao)弃ashmem我们
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