Hi Vegard,
On Thu, 29 Nov 2007, Vegard Nossum wrote:
> If I understand you correctly, you only want to be notified if any
> memory within an allocation is used before any memory within the
> allocation has been initialized. I think that this would be quite
> useless compared to tracking all the bytes of an allocation.
Ok, why is it useless? I am trying to understand what kind of errors you
hope to catch here.
On Thu, 29 Nov 2007, Vegard Nossum wrote:
> I am not truly concerned about the memory usage; this kind of error
> detection is by definition slow and memory intense.
There's "slow" and then there's "too slow for mainline" :-). But even if
you want to track every byte, you could use a bitmap in the slab layer to
cut down memory usage and get rid of "shadow pages", no?
Pekka
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