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Message-ID: <20131211091422.GU11295@suse.de> Date: Wed, 11 Dec 2013 09:14:22 +0000 From: Mel Gorman <mgorman@...e.de> To: Wanpeng Li <liwanp@...ux.vnet.ibm.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Ingo Molnar <mingo@...hat.com>, Rik van Riel <riel@...hat.com>, Peter Zijlstra <peterz@...radead.org>, Naoya Horiguchi <n-horiguchi@...jp.nec.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: [PATCH v5 7/8] sched/numa: fix record hinting faults check On Wed, Dec 11, 2013 at 08:50:00AM +0800, Wanpeng Li wrote: > Adjust numa_scan_period in task_numa_placement, depending on how much useful > work the numa code can do. The local faults and remote faults should be used > to check if there is record hinting faults instead of local faults and shared > faults. This patch fix it. > > Reviewed-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com> > Signed-off-by: Wanpeng Li <liwanp@...ux.vnet.ibm.com> This potentially has the side-effect of making it easier to reduce the scan rate because it'll only take the most recent scan window into account. The existing code takes recent shared accesses into account. What sort of tests did you do on this patch and what was the result? -- Mel Gorman SUSE Labs -- 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/
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