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

Marcelo Tosatti (marcelo@conectiva.com.br)
Thu, 26 Apr 2001 06:26:22 -0300 (BRT)


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().

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/