Re: Unfreed kernel buffers (fsck and 2.3.99-pre*)

From: Linus Torvalds (torvalds@transmeta.com)
Date: Sat Mar 18 2000 - 21:07:32 EST


In article <Pine.LNX.4.10.10003180208030.6182-100000@loke.as.arizona.edu>,
Craig Kulesa <ckulesa@loke.as.arizona.edu> wrote:
>
>Summary:
> After running fsck, a large block of kernel "buffer"
> memory (seen in /proc/meminfo or 'free') is allocated in 2.3.99.
> This large block of RAM is _not_ freed under memory stress, and
> induces very heavy paging. A reboot seems necessary to recover.

Hmm.. The VM balancing was broken between 2.3.51 and the pre2-3 series.

Can you try pre2-4 or later? It should have unbroken the breakage,
although it probably still needs a lot of tuning (but is hopefully
noticeably better even in its untuned form..)

                        Linus

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