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DateThu, 16 Sep 2004 07:56:51 +0200
FromJens Axboe <>
SubjectRe: 2.6.8.1 mempool subsystem sickness
On Thu, Sep 16 2004, Nick Piggin wrote:
> Jeff V. Merkey wrote:
> >Jeff
> >
> >Here's the stats from the test of the patch against 2.6.8-rc2 with the 
> >patch applied
> >
> >
> 
> Scanning stats look good at a quick glance. kswapd doesn't seem to be
> going crazy.
> 
> However,
> size-65536         32834  32834  65536    1   16
> 
> This slab entry is taking up about 2GB of unreclaimable memory (order-4,
> no less). This must be a leak... does the number continue to rise as
> your system runs?

There's also a huge amount of 16-page bio + vecs in flight:

biovec-16         131340

That would point to a leak as well, most likely.

-- 
Jens Axboe

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