On Wed, Sep 9, 2009 at 9:19 AM, Peter Jeffe <[email protected]> wrote:

> I assumed that the problem is that the native code tries to allocate
> memory but the native allocator for some reason can't move the heap
> boundary--basically it seems like Android's malloc() doesn't just call
> brk() or its equivalent when it needs more memory, so it rejects the
> malloc instead.
>

Of course it can grow the heap.  It will also use mmap for allocations over
64K so they aren't in the main heap at all.  (Fwiw, the allocator is a
somewhat modified version of the standard dlmalloc.)


> To me this is a critical problem.  We have a map-based app that gets
> frequent errors when the map framework tries to allocate new images to
> draw the screen.  We have absolutely no control over their code, can't
> retry allocations etc., so our app just dies.  This is a very serious
> problem, has been since the start of Android, and really needs to be
> fixed.
>

The standard maps app uses the same library, and at this point doesn't have
such problems as far as I know.  My guess is that put together your app is
just using too much memory.

-- 
Dianne Hackborn
Android framework engineer
[email protected]

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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