Re: [Bug #11342] Linux 2.6.27-rc3: kernel BUG at mm/vmalloc.c -bisected

[Alan Cox]

> What about deep call chains? The problem with the uptake of 4K stacks
> seems to be that is not reliably provable that it will work under all
> circumstances.

On x86-32 with 8K stacks your IRQ paths share them so that is even harder
to prove (not that you can prove any of them) and the bugs are more
obscure and random.
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