经过阅(yue)读源码,其实不少思(si)路和Android的匿名(ming)内(nei)存有点(dian)相似阅读本文之前(qian)就(jiu)算不知道dma_buf的设(she)计(ji)思想也(ye)没关(guan)系,我不会仔细(xi)到每一行,我会注重(chong)其在gralloc服(fu)务(wu)中(zhong)的申请流程,看(kan)看ion是如(ru)何(he)管理(li)共享内(nei)存,为什么要(yao)抛弃ashmem我(wo)们
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