Re: swap storm since kernel 3.2.x

From: Toralf Förster
Date: Sat Feb 04 2012 - 09:36:54 EST



Johannes Stezenbach wrote at 14:33:31
> On Sat, Feb 04, 2012 at 11:09:52AM +0100, Toralf Förster wrote:
> > Within the last few weeks I'm observing sometimes a swap storm at my
> > ThinkPad while compiling/installing new packages at my Gentoo Linux -
> > the load is often something like :
> >
> > Load avg: 13.6, 20.6, 20.9
> >
> > I'm wondering whether this is related to kernel 3.2.x /Gentoo specific or
> > related to my system only.
>
> Do you happen to have CONFIG_DEBUG_OBJECTS enabled? For me it
> ate lots of memory with 3.2.2, easily visible in slabtop.
>
>
> Johannes

No, I've these settings :

tfoerste@n22 ~ $ zgrep -e OBJ -e SLAB -e SLUB /proc/config.gz | grep -v '#'
CONFIG_SLUB_DEBUG=y
CONFIG_SLUB=y
CONFIG_SLABINFO=y

--
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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