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SubjectRe: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86
On Tue, Mar 25, 2008 at 10:55:06AM -0700, Christoph Lameter wrote:
> On Tue, 25 Mar 2008, Andi Kleen wrote:
>
> > Maybe sparse could be taught to check for this if it happens
> > in a single function? (cc'ing Al who might have some thoughts
> > on this). Of course if it happens spread out over multiple
> > functions sparse wouldn't help neither.
>
> We could add debugging code to virt_to_page (or __pa) to catch these uses.

Hard to test all cases. Static checking would be better.

Or just not do it? I didn't think order 1 failures were that big a problem.


-Andi


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