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Re: [PATCH 04/10] mm: fix LRU balancing effect of new transparent huge pages

From Rik van Riel <riel@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 04/10] mm: fix LRU balancing effect of new transparent huge pages
Date 2016-06-06 23:40 +0200
Message-ID <rHapA-1UM-3@gated-at.bofh.it> (permalink)
References <rH8QO-Oc-9@gated-at.bofh.it> <rH8QO-Oc-13@gated-at.bofh.it>
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On Mon, 2016-06-06 at 15:48 -0400, Johannes Weiner wrote:
> Currently, THP are counted as single pages until they are split right
> before being swapped out. However, at that point the VM is already in
> the middle of reclaim, and adjusting the LRU balance then is useless.
> 
> Always account THP by the number of basepages, and remove the fixup
> from the splitting path.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> 

Reviewed-by: Rik van Riel <riel@redhat.com>

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Thread

[PATCH 04/10] mm: fix LRU balancing effect of new transparent huge pages Johannes Weiner <hannes@cmpxchg.org> - 2016-06-06 22:00 +0200
  Re: [PATCH 04/10] mm: fix LRU balancing effect of new transparent  huge pages Rik van Riel <riel@redhat.com> - 2016-06-06 23:40 +0200
  Re: [PATCH 04/10] mm: fix LRU balancing effect of new transparent  huge pages Michal Hocko <mhocko@kernel.org> - 2016-06-07 11:20 +0200
  Re: [PATCH 04/10] mm: fix LRU balancing effect of new transparent  huge pages Minchan Kim <minchan@kernel.org> - 2016-06-08 09:30 +0200

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