经过阅(yue)读源码,其实不少思路和(he)Android的匿名内存有点相似阅读本文之前(qian)就(jiu)算(suan)不知(zhi)道dma_buf的设计(ji)思(si)想也没关系,我不会仔细(xi)到(dao)每一行,我会注(zhu)重(chong)其(qi)在gralloc服务中(zhong)的申请(qing)流程,看(kan)看ion是如何管理共享(xiang)内(nei)存,为(wei)什(shi)么要抛弃ashmem我们(men)
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