From: Rik van Riel <riel@redhat.com>
To: Josef Bacik <josef@toxicpanda.com>,
akpm@linux-foundation.org, kernel-team@fb.com,
hannes@cmpxchg.org, linux-mm@kvack.org
Subject: Re: [PATCH] mm: make kswapd try harder to keep active pages in cache
Date: Tue, 23 May 2017 13:14:22 -0400 [thread overview]
Message-ID: <1495559662.20270.42.camel@redhat.com> (raw)
In-Reply-To: <1495549403-3719-1-git-send-email-jbacik@fb.com>
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On Tue, 2017-05-23 at 10:23 -0400, Josef Bacik wrote:
> My approach here is twofold. First, keep track of the difference in
> inactive and slab pages since the last time kswapd ran. In the first
> run this will just be the overall counts of inactive and slab, but
> for
> each subsequent run we'll have a good idea of where the memory
> pressure
> is coming from. Then we use this information to put pressure on
> either
> the inactive lists or the slab caches, depending on where the
> pressure
> is coming from.
> Signed-off-by: Josef Bacik <jbacik@fb.com>
This looks totally reasonable to me.
Acked-by: Rik van Riel <riel@redhat.com>
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next prev parent reply other threads:[~2017-05-23 17:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-23 14:23 [PATCH] mm: make kswapd try harder to keep active pages in cache Josef Bacik
2017-05-23 17:14 ` Rik van Riel [this message]
2017-05-23 21:57 ` Andrew Morton
2017-05-24 17:46 ` Johannes Weiner
2017-05-24 18:50 ` Josef Bacik
2017-05-30 18:03 ` Johannes Weiner
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