经过阅读源码,其实不少(shao)思(si)路和Android的匿(ni)名内存有点相似阅读本(ben)文之(zhi)前(qian)就(jiu)算(suan)不知(zhi)道dma_buf的设(she)计思想(xiang)也(ye)没关系,我不会仔细(xi)到每一(yi)行,我(wo)会注重(chong)其(qi)在gralloc服务中的申请流程,看看ion是(shi)如何管理共(gong)享内存(cun),为什(shi)么(me)要抛弃ashmem我(wo)们(men)
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