Re: [long]2.5.44-mm3 UP went into unexpected trashing

From: Andrew Morton (akpm@digeo.com)
Date: Thu Oct 24 2002 - 02:58:04 EST


Helge Hafting wrote:
>
> 2.5.44-mm3 just began trashing. I ran debsums -s in order
> to verify installed packages. This checksums all
> binaries. Things got a little sluggish, but it finished.
>
> Then I started a compile for 2.5.44-mm4, and the machine
> became so hopeless that I stopped the compile. That
> haven't happened before, I have 256M.
>
> Looking at a running vmstat I saw lots of swapping,
> almost no free memory (as usual) but _cache_
> was down to 4004 too!

Memory leak.

> dentry_cache 1174824 1174824 140 41958 41958 1 : 248 124 : 1174824 1174923 41958 0 0 0 276 : 1131352 43467 0 0

160 megabytes of dcache.

Hopefully the rcu fix in -mm4 will cure this.
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