经过阅读源码,其实(shi)不少思路和Android的匿(ni)名内存有点相似阅读本文之前就(jiu)算不知道(dao)dma_buf的设计(ji)思(si)想(xiang)也(ye)没关系,我不会仔细(xi)到每一行(hang),我(wo)会注重其(qi)在gralloc服(fu)务(wu)中的申请流程,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(wo)们(men)
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