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In article <> you wrote:

> Well, the bug seems to exactly using the page after a "free_page()". Which
> is always a bug, but at least should be easy to fix.

> I've considered making "free_page()" a macro something like

> __free_pge(x);
> x = NULL;

Maybe the trick electric fence uses might work. efence unmaps the page from
the page tables... and of course the get_free_page function would have to
map it into the tables. Not for normal use, but for debugging it may help.

Arjan van de Ven
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