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Date: Thu, 26 Apr 2001 06:26:22 -0300 (BRT)
From: Marcelo Tosatti <marcelo@conectiva.com.br>
To: Mike Galbraith <mikeg@wen-online.de>
Cc: Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch] swap-speedup-2.4.3-B3 (fwd)
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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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