Re: [PATCH] kswapd fix & logic improvement

[Pavel Machek <pavel@elf.ucw.cz>]

Hi!

> ...
> > > Turned out the kswapd messages weren't related to the thrashing.
> > > I would have seen it if I hadn't jumped straight into X.
> > 
> > Ahh, yes. X allocates a _lot_ of memory at once, and then
> > the damn thing _uses_ it at once... This is guaranteed to
> > make kswapd a bit nervous, both with or without my patch.
> 
> Not only that, but the network activity X induces puts additional stress
> on an already low-memory system by allocating lots of unswappable memory.
> When might we see Pavel's patches to the networking stack meant to get
> swapping over TCP working, but I think they'll really help stability on 
> systems with low-memory and busy networks, get integrated?

Sorry? My patches are usable only if you are trying to swap over
network. They will not help on low-memory systems, unless that systems
also lack hard-drives. It is usually much better to swap onto local
drive than over network.
								Pavel
-- 
I'm really pavel@atrey.karlin.mff.cuni.cz. 	   Pavel
Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).