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

[Andrew Morton]

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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