On 03/05/07, Michal Piotrowski <[email protected]> wrote:
Hi,
On 03/05/07, Ingo Molnar <[email protected]> wrote:
>
> * Andrew Morton <[email protected]> wrote:
>
> > - If replying, please be sure to cc the appropriate individuals.
> > Please also consider rewriting the Subject: to something
> > appropriate.
>
> i'm wondering about swap-prefetch:
>
> mm-implement-swap-prefetching.patch
> swap-prefetch-avoid-repeating-entry.patch
> add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated-swap-prefetch.patch
>
> The swap-prefetch feature is relatively compact:
>
> 10 files changed, 745 insertions(+), 1 deletion(-)
>
> it is contained mostly to itself:
>
> mm/swap_prefetch.c | 581 ++++++++++++++++++++++++++++++++
>
> i've reviewed it once again and in the !CONFIG_SWAP_PREFETCH case it's a
> clear NOP, while in the CONFIG_SWAP_PREFETCH=y case all the feedback
> i've seen so far was positive. Time to have this upstream and time for a
> desktop-oriented distro to pick it up.
>
> I think this has been held back way too long. It's .config selectable
> and it is as ready for integration as it ever is going to be. So it's a
> win/win scenario.
I'm using SWAP_PREFETCH since 2.6.17-mm1 (I don't have earlier configs)
since 2.6.14-mm2 :)
http://lkml.org/lkml/2005/11/11/260
Regards,
Michal
--
Michal K. K. Piotrowski
Kernel Monkeys
(http://kernel.wikidot.com/start)
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