[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <5252F728.4010401@redhat.com>
Date: Mon, 07 Oct 2013 14:02:16 -0400
From: Rik van Riel <riel@...hat.com>
To: Mel Gorman <mgorman@...e.de>
CC: Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
Ingo Molnar <mingo@...nel.org>,
Andrea Arcangeli <aarcange@...hat.com>,
Johannes Weiner <hannes@...xchg.org>,
Linux-MM <linux-mm@...ck.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 18/63] sched: numa: Slow scan rate if no NUMA hinting
faults are being recorded
On 10/07/2013 06:28 AM, Mel Gorman wrote:
> NUMA PTE scanning slows if a NUMA hinting fault was trapped and no page
> was migrated. For long-lived but idle processes there may be no faults
> but the scan rate will be high and just waste CPU. This patch will slow
> the scan rate for processes that are not trapping faults.
>
> Signed-off-by: Mel Gorman <mgorman@...e.de>
Acked-by: Rik van Riel <riel@...hat.com>
--
All rights reversed
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists