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SubjectRe: RFT: updatedb "morning after" problem [was: Re: -mm merge plans for 2.6.23]
On 7/28/07, Alan Cox <> wrote:
> Actual physical disk ops are precious resource and anything that mostly
> reduces the number will be a win - not to stay swap prefetch is the right
> answer but accidentally or otherwise there are good reasons it may happen
> to help.
> Bigger more linear chunks of writeout/readin is much more important I
> suspect than swap prefetching.

<nod>. The larger the chunks are that we swap out, the less it
actually hurts to swap, which might make all this a moot point. Not
all I/O is created equal...

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