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SubjectRe: [PATCH 1/3] mm, vmscan: Remove redundant check in shrink_zones()
On Mon, Jul 18, 2016 at 03:50:24PM +0100, Mel Gorman wrote:
> As pointed out by Minchan Kim, shrink_zones() checks for populated
> zones in a zonelist but a zonelist can never contain unpopulated
> zones. While it's not related to the node-lru series, it can be
> cleaned up now.
>
> Suggested-by: Minchan Kim <minchan@kernel.org>
> Signed-off-by: Mel Gorman <mgorman@techsingularity.net>

Ha, I didn't know that. But yeah, the zonelist building code excludes
unpopulated zones from the start. Neat.

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

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