Re: 2.6.3-mm3

[Nick Piggin]

Mike Fedyk wrote:

> > > What about Nick's fix up patch for the two patches above?  Should I 
> > > include that one also?
>
> I'm running 2.6.3-mm3-486-fazok (nick's patch), and it has improved my 
> slab usage greatly.  It was averaging 500MB-700MB slab.  Now slab is 
> ~230MB, and page cache is ~700MB

That is a much better sounding ratio. Of course that doesn't mean much
if performance is worse. Slab might be getting reclaimed a little bit
too hard vs pagecache now.

> See:
> http://www.matchmail.com/stats/lrrd/matchmail.com/srv-lnx2600.matchmail.com-memory.html 
>
>
> Is there any way I can get the VM patches against 2.6.3?  I'm not 
> comfortable with running -mm3 on this production server, especially 
> seeing the "sync hang" bug.

Well your server wasn't going too badly with 2.6.3, wasn't it? Might
as well just wait for them to get into the the tree.

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