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inode cache

Hi,
I am running a simple script that copies some stuff from some /proc files,
and from a file on a ramdisk. 2.4.16 kernel.
Each activation of the script increases inode_cache and dentry_cache
(according to /proc/slabinfo),
thus lowering the free memory (according to /proc/meminfo).

Eventually, the machine practically remains memory-less and becomes
un-usable.

I've see discussions of problems that seem to be related, but could not find
anything specific. I was hoping to find a patch I can at least try, but
couldn't
find one. Upgrading the entire kernel is currently not an option for me.

Any hints ?

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