What bit of code are you looking at? On Dec 10, 12:35 am, bazookier <[email protected]> wrote: > The gc in dalvik is not very difficult. > I can understand most things and how they work. > But one thing I don't understand. > When freeing the memory allocated by mspace which is set int the bits > of heap bitmap, it uses xor operating to calculate what should be > collected. > Suppose like this: > After last gc after this gc result should be > collected > 0 0 0 N > 1 1 0 N > 1 0 1 Y > 0 1 1 Y(Is > this right?) > > The first three cases are obviously correct. > But the last case perhaps is wrong. > Although it was not used before last gc, it is used since then. > It should not be collected as garbage I think. > Can anyone explain why?
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