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SubjectRe: swap-prefetch: 2.6.22 -mm merge plans
On 03/05/07, Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote:
> Hi,
>
> On 03/05/07, Ingo Molnar <mingo@elte.hu> wrote:
> >
> > * Andrew Morton <akpm@linux-foundation.org> 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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