经过阅读源码(ma),其实(shi)不少思路(lu)和Android的匿名内存有点相似阅读本文之前(qian)就算不知道(dao)dma_buf的设(she)计(ji)思(si)想也(ye)没(mei)关系(xi),我不会仔细到每一行,我(wo)会注(zhu)重(chong)其在gralloc服务(wu)中的申请(qing)流程,看看(kan)ion是(shi)如(ru)何管(guan)理共(gong)享(xiang)内存,为什(shi)么要抛弃ashmem我们
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