Re: [PATCH] Move slab objects to the end of the real allocation

[Anton Blanchard]

> I'm not aware of any other restrictions, but I think s390 would be the 
> first arch beyond i386 that supports DEBUG_PAGEALLOC, so beware. One 
> important point is that kernel_map_pages() can be called from irq 
> context - I'm not sure if all archs can support that.

Its working somewhat on ppc64. (somewhat because I dont have an easy way
to read protect pages from the kernel but I can write protect them.)

Anton
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