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

From: Marcelo Tosatti (
Date: Thu Apr 26 2001 - 04:26:22 EST

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

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

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