Re: swap-prefetch: 2.6.22 -mm merge plans

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* 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.

Acked-by: Ingo Molnar <[email protected]>

	Ingo
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