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Message-ID: <20110223174030.GT31195@random.random> Date: Wed, 23 Feb 2011 18:40:30 +0100 From: Andrea Arcangeli <aarcange@...hat.com> To: Mel Gorman <mel@....ul.ie> Cc: Arthur Marsh <arthur.marsh@...ernode.on.net>, Clemens Ladisch <cladisch@...glemail.com>, alsa-user@...ts.sourceforge.net, linux-kernel@...r.kernel.org Subject: Re: [Alsa-user] new source of MIDI playback slow-down identified - 5a03b051ed87e72b959f32a86054e1142ac4cf55 thp: use compaction in kswapd for GFP_ATOMIC order > 0 On Wed, Feb 23, 2011 at 05:01:17PM +0000, Mel Gorman wrote: > I regret that yet more patches are being blasted around but I hope the included > figures will convince you to run yet-another-test. I don't know how you are > measuring how long IRQs are being disabled and when it's a problem but it's > what I'm more interested in right now than the kswapd CPU usage which I'm > still in the process of gathering data to analyse. Arthur, I suggest to apply this patch before any of my patches (just like the kswapd-high-wmark) before testing my patches. It's orthogonal so it can be applied at the same time. Acked-by: Andrea Arcangeli <aarcange@...hat.com> Thanks, Andrea -- 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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