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SubjectRe: Red zones
Date
Eric Dumazet <dada1@cosmosbay.com> 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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