Messages in this thread | | | Date | Wed, 2 Nov 2005 11:22:06 +0000 (GMT) | From | Mel Gorman <> | Subject | Re: [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19 |
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On Wed, 2 Nov 2005, KAMEZAWA Hiroyuki wrote:
> Mel Gorman wrote: > > 3. When adding a node that must be removable, make the array look like > > this > > > > int fallback_allocs[RCLM_TYPES-1][RCLM_TYPES+1] = { > > {RCLM_NORCLM, RCLM_TYPES, RCLM_TYPES, RCLM_TYPES, RCLM_TYPES}, > > {RCLM_EASY, RCLM_FALLBACK, RCLM_NORCLM, RCLM_KERN, RCLM_TYPES}, > > {RCLM_KERN, RCLM_TYPES, RCLM_TYPES, RCLM_TYPES, RCLM_TYPES}, > > }; > > > > The effect of this is only allocations that are easily reclaimable will > > end up in this node. This would be a straight-forward addition to build > > upon this set of patches. The difference would only be visible to > > architectures that cared. > > > Thank you for illustration. > maybe fallback_list per pgdat/zone is what I need with your patch. right ? >
With my patch, yes. With zones, you need to change how zonelists are built for each node.
-- Mel Gorman Part-time Phd Student Java Applications Developer University of Limerick IBM Dublin Software Lab - 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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