Re: [PATCH] mm: poison struct page for ptlock

[David S. Miller]

From: Andrew Morton <akpm@xxxxxxxx>
Date: Sun, 6 Nov 2005 15:13:26 -0800

> I doubt if there's much benefit to pagetable-pages-in-slab, really.

It helps for D-cache coloring, that's mainly why ppc uses them
this way I think.

I would do the same on sparc64 if I didn't have to virtually
map the page tables for the fast TLB miss handlers.
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