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SubjectRe: Linux v2.6.16-rc5
Dave Jones wrote:

> Those brave Fedora-rawhide testers have also hit an assortment of slab
> related errors recently, manifesting in various ways including our old
> friend the negative page_mapcount.
> (From a 2.6.16rc4-git6 based kernel ...)

From that report, the page flags indicate that the page is regular
old pagecache. I'd be very surprised if there is a mapcount bug here.

It looks like something is scribbling in memory, which I would
suspect first.

However if you do see new mm/rmap bugs, do keep posting them so we
can see if there is a pattern.

SUSE Labs, Novell Inc.
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