From: Rik van Riel <riel@redhat.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
kernel-team@fb.com
Subject: Re: [PATCH v2] mm: scale kswapd watermarks in proportion to memory
Date: Mon, 22 Feb 2016 20:36:33 -0500 [thread overview]
Message-ID: <1456191393.7716.28.camel@redhat.com> (raw)
In-Reply-To: <1456184002-15729-1-git-send-email-hannes@cmpxchg.org>
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On Mon, 2016-02-22 at 15:33 -0800, Johannes Weiner wrote:
> Beyond 1G of memory, this will produce bigger watermark steps than
Is that supposed to be beyond 16GB?
> the
> current formula in default settings. Ensure that the new formula
> never
> chooses steps smaller than that, i.e. 25% of the emergency reserve.
>
> On a 140G machine, this raises the default watermark steps - the
> distance between min and low, and low and high - from 16M to 143M.
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
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All Rights Reversed.
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next prev parent reply other threads:[~2016-02-23 1:36 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 23:33 [PATCH v2] mm: scale kswapd watermarks in proportion to memory Johannes Weiner
2016-02-22 23:33 ` Johannes Weiner
2016-02-23 1:36 ` Rik van Riel [this message]
2016-02-23 1:53 ` Johannes Weiner
2016-02-23 1:53 ` Johannes Weiner
2016-02-23 2:23 ` David Rientjes
2016-02-23 2:23 ` David Rientjes
2016-02-24 0:36 ` Johannes Weiner
2016-02-24 0:36 ` Johannes Weiner
2016-02-24 0:39 ` David Rientjes
2016-02-24 0:39 ` David Rientjes
2016-02-25 0:37 ` Joonsoo Kim
2016-02-25 0:37 ` Joonsoo Kim
2016-02-25 20:07 ` Johannes Weiner
2016-02-25 20:07 ` Johannes Weiner
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