Messages in this thread | | | Date | Thu, 6 Sep 2007 15:34:26 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] prevent kswapd from freeing excessive amounts of lowmem |
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> On Thu, 06 Sep 2007 12:38:13 -0400 Rik van Riel <riel@redhat.com> wrote: > Andrew Morton wrote: >
(What happened to the other stuff I said?)
> > I guess for a very small upper zone and a very large lower zone this could > > still put the scan balancing out of whack, fixable by a smarter version of > > "8*zone->pages_high" but it doesn't seem very likely that this will affect > > things much. > > > > Why doesn't direct reclaim need similar treatment? > > Because we only go into the direct reclaim path once > every zone is at or below zone->pages_low, and the > direct reclaim path will exit once we have freed more > than swap_cluster_max pages. >
hm. Now I need to remember why direct-reclaim does that :( - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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