经(jīng )过阅(yuè )读源码,其实不(bú )少思路和(hé )Android的(de )匿名内存有(yǒu )点相似(sì )阅读本文(wén )之前就(jiù )算(suàn )不知(zhī )道(dào )dma_buf的设计思(sī )想也没关(guān )系,我不会仔细(xì )到每一(yī )行,我会注重其在gralloc服(fú )务中的申(shēn )请(qǐng )流程(chéng ),看(kàn )看ion是(shì )如何管理共(gòng )享内存,为(wéi )什么要抛弃ashmem我们(men )
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