Re: [2.4.17/18pre] VM and swap - it's really unusable

From: Andrew Morton (
Date: Thu Jan 03 2002 - 16:54:14 EST

Ken Brownfield wrote:
> Unfortunately, I lost the response that basically said "2.4 looks stable
> to me", but let me count the ways in which I agree with Andreas'
> sentiment:
> A) VM has major issues
> 1) about a dozen recent OOPS reports in VM code

Ben LaHaise's fix for page_cache_release() is absolutely required.

> 2) VM falls down on large-memory machines with a
> high inode count (slocate/updatedb, i/dcache)
> 3) Memory allocation failures and OOM triggers
> even though caches remain full.
> 4) Other bugs fixed in -aa and others
> B) Live- and dead-locks that I'm seeing on all 2.4 production
> machines > 2.4.9, possibly related to A. But how will I
> ever find out?

Does this happen with the latest -aa patch? If so, please send
a full system description and report.

> C) IO-APIC code that requires noapic on any and all SMP
> machines that I've ever run on.

Dunno about this one. Have you prepared a description?

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