On March 01, 2017 5:40 AM Johannes Weiner wrote: 

1d82de618ddd ("mm, vmscan: make kswapd reclaim in terms of nodes")
allowed laptop_mode=1 to start writing not just when the priority
drops to DEF_PRIORITY - 2 but also when the node is unreclaimable.
That appears to be a spurious change in this patch as I doubt the
series was tested with laptop_mode, and neither is that particular
change mentioned in the changelog. Remove it, it's still recent.

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

Acked-by: Hillf Danton <redacted>


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