Re: Red zones

[Bernd Eckenfels]

Eric Dumazet <dada1@xxxxxxxxxxxxx> wrote:
> On x86_64, available virtual space is huge, so having different red zones can 
> spot the fault more easily : If the target of the fault is in the PER_CPU 
> redzone given range, we can instantly knows there is still a per_cpu() user 
> accessing a non possible cpu area. As the red zone is not mapped at all, no 
> page table is setup.

Ok, however you can also tell from the stack trace who accessed the red zone, right?

Gruss
Bernd
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