On Mon, 17 Oct 2005 08:41, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.14-rc4/2.
>6.14-rc4-mm1/
> +mm-implement-swap-prefetching.patch
> +mm-implement-swap-prefetching-default-y.patch
> +mm-implement-swap-prefetching-tweaks.patch
> +mm-implement-swap-prefetching-tweaks-2.patch
>
> Con's swap prefetching code
Thanks.
For users testing this, could you please also try larger values in:
/proc/sys/vm/swap_prefetch
Read the current value (it should be in the range of 1-10) and try a value ten
times larger.
It is currently quite gentle in the amount it prefetches, but the code is now
extremely cautious about when to prefetch and I suspect it can prefetch much
more by default, thus intensifying the effect and benefit.
Cheers,
Con
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