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Re: extent-patch and overview of what is supposed to follow

On Sat, Apr 02, 2011 at 11:36:20AM +0200, Lars Heidieker wrote:
> >> being moved to kmem any way the point doesn't seem to be very strong
> to me.
> >
> > Why ? A leak is still a leak
> >
> Sure but even now we wound find a leak that happens if the memory
> comes from the kmem allocator, therefore we need a detector there
> anyway. malloc currently covers only a small part of allocations.

sure, but it's better than nothing. This and pools allows to track a
fair number of alloc/free in the kernel these days.

> >> But tracing who is doing the allocation is definitely something worse
> >> having, tracing this with dtrace should be possible as Andrew pointed
> >> out end january, when I made the patch public.
> >
> > AFAIK dtrace doesn't work on non-modular kernels ...
> I haven't checked but if so it should be made usable on
> modular-kernels as well.

You meant "non-modular" I guess ?

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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