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SubjectRe: ZONE_NORMAL exhaustion (dcache slab)
> I just experienced this problem on UP with 513M memory.  About 400m was 
> locked in dentries. The system was very unresponsive - suspect it was
> spending gobs of time scaning unfreeable dentries. This was with -mm3
> up about 24 hours.
>
> The inode caches looked sane. Just the dentries were out of wack.

I think you want this:

+read-barrier-depends.patch
RCU fix

Which is only in mm4 I believe. Wanna retest? mm4 is the first 44-mmX
that works for me ... seems to have quite a few bugfixes ;-)

M.

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