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SubjectRe: [PATCH, V2] i386: instead of poisoning .init zone, change protection bits to force a fault
Andrew Morton a écrit :

> But I'm inclined to drop the whole patch - I don't see how it can detect
> any bugs which CONFIG_DEBUG_PAGEALLOC won't find.
>

If CONFIG_DEBUG_PAGEALLOC is selected, does a page freed by free_page(addr);
guaranted not being reused later ?

Anyway, the CONFIG_DEBUG_INITDATA was a temporary patch in order to track the
accesses to non possible cpus percpu data. So if you feel all such accesses
were cleaned, we can drop the patch...

Eric
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