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SubjectRe: -mm -> 2.6.13 merge status
Martin Hicks <> wrote:
> On Mon, Jun 20, 2005 at 11:54:58PM -0700, Andrew Morton wrote:
> >
> > vm-early-zone-reclaim
> >
> > Needs some convincing benchmark numbers to back it up. Otherwise OK.
> The only benchmarks I have for this were included in my last mail to
> linux-mm:
> Are they convincing? Well, the patch doesn't seem to make the memory
> thrashing case much worse ("make -j" kernbench run) which is a good
> thing since the VM is trying to reclaim much earlier.
> In the same e-mail I mention that there is a fairly good performance
> gain in the optimal case, where processes are tied to a single node and
> the node's memory is filled with page cache. With zone reclaim turned
> on the "make -j8" kernel build runs in 700 seconds; 735 seconds with
> no reclaim.

Ah, OK, I failed to capture that info. (I always have to move the info in
the [patch 0/n] email into the first real patch, and this time I didn't)

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