Re: mm/rmap.c negative page map count BUG.

[Arjan van de Ven]

> 
> That means page->_mapcount contained 0xfffeffff when it should have

> We can't rule out that something somewhere in the kernel has
> scribbled on that location, but I've no guesses what.

could be an rwsem/rwlock



btw.. which video driver is in use? (X tends to do rather evil things at
times via /dev/mem, but that is very much driver specific)

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