Re: 2.6.16-ck3

[Nick Piggin]

Con Kolivas wrote:
> These are patches designed to improve system responsiveness and interactivity. 
> It is configurable to any workload but the default ck patch is aimed at the 
> desktop and cks is available with more emphasis on serverspace.
>
> THESE INCLUDE THE PATCHES FROM 2.6.16.1 SO START WITH 2.6.16 AS YOUR BASE
>
> Apply to 2.6.16
> http://www.kernel.org/pub/linux/kernel/people/ck/patches/2.6/2.6.16/2.6.16-ck3/patch-2.6.16-ck3.bz2

The swap prefetching here, and the one in -mm AFAIKS still do not follow
the lowmem reserve ratio correctly. This might explain why prefetching
appears to help some people after updatedb swaps stuff out to make room
for pagecache -- it may actually be dipping into lower zones when it
shouldn't.

--
SUSE Labs, Novell Inc.
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