Re: [PATCH 01/15] mm: poison struct page for ptlock

[Andrew Morton]

Hugh Dickins <hugh@xxxxxxxxxxx> wrote:
>
> On Thu, 10 Nov 2005, Ingo Molnar wrote:
> > 
> > yuck. What is the real problem btw? AFAICS there's enough space for a 
> > 2-word spinlock in struct page for pagetables.
> 
> Yes.  There is no real problem.  But my patch offends good taste.
> 

Isn't it going to overrun page.lru with CONFIG_DEBUG_SPINLOCK?
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