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SubjectRe: [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19
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 ?

-- Kame


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