Re: 2.6.16 hugetlbfs problem - DEBUG_PAGEALLOC

From: David S. Miller
Date: Fri Mar 24 2006 - 20:45:28 EST


From: "Chen, Kenneth W" <kenneth.w.chen@xxxxxxxxx>
Date: Fri, 24 Mar 2006 17:24:41 -0800

> Yeah, it turns out that the debug option is not compatible with hugetlb
> page support. That debug option turns off PSE. Once it is turned off in
> CR4, cpu will ignore pse bit in the pmd and causing infinite page-not-
> present fault :-(

Thanks for tracking this down.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/