Re: [patch] swap-speedup-2.4.3-B3 (fwd)

[Marcelo Tosatti]

On Thu, 26 Apr 2001, Mike Galbraith wrote:

> > (i cannot see how this chunk affects the VM, AFAICS this too makes the
> > zapping of the cache less agressive.)
> 
> (more folks get snagged on write.. they can't eat cache so fast)

What about GFP_BUFFER allocations ? :)

I suspect the jiffies hack is avoiding GFP_BUFFER allocations to eat cache
insanely.

Easy way to confirm that: add the kswapd wait queue again and make
allocators which don't have __GFP_IO set wait on that in
try_to_free_pages(). 




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