is there anyway to release the memory of hardware acceleration,after exit android app. -

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after quit app long time,i find "other dev" still costs lot of memory,about 16m.

at same time,there lot of "/dev/pvrsrvkm" in /proc/xxx/smaps.

all activitys have destroyed,why "/dev/pvrsrvkm" still use memory? how reduce it?

enter image description here

in android have seen when close application not close completely, remains in recent application stack, can see long press home button(on devices).android kicked out recent apps when other app needs memory or can force close it.


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