Red zones (was: [PATCH] garbage values in file /proc/net/sockstat)

[Bernd Eckenfels]

Eric Dumazet <dada1@xxxxxxxxxxxxx> wrote:
> We can use a red zone big enough to hold the whole per_cpu data.

I am trying to learn a bit here: why is it required to have a speciel red
zone for this case? Wouldnt it make more sence to have a single red zone
which can be used by all locations in the kernel for unused structures? That
would reduce the number of wasted segements in the page table, or?

Gruss
Bernd
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