[android-developers] Ice Cream Sandwich and high memory usage on launch

I was doing some memory profiling recently for another issue, and I found that, on my phone running ICS, 

as soon as I launch the app the memory is already at about 7 MB, when it was usually about 4 MB in others.

I looked at the HPROF file and it seems like the app is keeping a bunch (all?) of my app's drawables in memory. 

Is there some pre-fetching going on? Why was this changed? Is there any way to disable this? How does

this affect calls to recycle() (see this stackoverflow question)? Is there some official documentation for the 

change?

Or maybe there's something else going on...

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