Re: [PATCH 3/5] mm: vmscan: remove old flusher wakeup from direct reclaim path

From: Minchan Kim
Date: Wed Jan 25 2017 - 20:38:49 EST


On Mon, Jan 23, 2017 at 01:16:39PM -0500, Johannes Weiner wrote:
> Direct reclaim has been replaced by kswapd reclaim in pretty much all
> common memory pressure situations, so this code most likely doesn't
> accomplish the described effect anymore. The previous patch wakes up
> flushers for all reclaimers when we encounter dirty pages at the tail
> end of the LRU. Remove the crufty old direct reclaim invocation.
>
> Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>