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From: Christoph Hellwig <hch@infradead.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Christoph Hellwig <hch@infradead.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] mm: remove global locks from mm/highmem.c
Date: Sun, 28 Jan 2007 15:28:58 +0000	[thread overview]
Message-ID: <20070128152858.GA23410@infradead.org> (raw)
In-Reply-To: <20070128151700.GA7644@elte.hu>

On Sun, Jan 28, 2007 at 04:17:00PM +0100, Ingo Molnar wrote:
> scalability. I did lock profiling on the -rt kernel, which exposes such 
> things nicely. Half of the lock contention events during kernel compile 
> were due to kmap(). (The system had 2 GB of RAM, so 40% lowmem, 60% 
> highmem.)

Numbers please, and not on -rt but on mainline.  Please show the profiles.

> ps. please fix your mailer to not emit Mail-Followup-To headers. In Mutt
>     you can do this via "set followup_to=no" in your .muttrc.

I have told you last time that this is absolutely intentional and I won't
change it.

  reply	other threads:[~2007-01-28 15:29 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-28 14:11 Peter Zijlstra
2007-01-28 14:49 ` Christoph Hellwig
2007-01-28 15:17   ` Ingo Molnar
2007-01-28 15:28     ` Christoph Hellwig [this message]
2007-01-28 15:48       ` Ingo Molnar
2007-01-28 15:54         ` Christoph Hellwig
2007-01-28 18:19           ` Ingo Molnar
2007-01-28 22:29 ` Andrew Morton
2007-01-29  2:52   ` Nick Piggin
2007-01-29  9:44   ` Peter Zijlstra
2007-01-30  1:31     ` Martin J. Bligh
2007-01-30  1:41       ` Andrew Morton
2007-01-30  1:49         ` Martin J. Bligh
2007-01-30  2:15           ` Andrew Morton
2007-01-31  0:44             ` David Chinner
2007-01-31  1:11               ` Andrew Morton
2007-01-31  3:22                 ` David Chinner
2007-02-02 12:05                   ` Christoph Hellwig
2007-02-02 19:24                     ` Matt Mackall
2007-02-02 23:16                       ` David Chinner
2007-02-02 23:14                     ` David Chinner
2007-01-29 19:08   ` Ingo Molnar
2007-01-29 19:19     ` Hugh Dickins
2007-01-29 19:53       ` Ingo Molnar
2007-01-29 20:06     ` Ingo Molnar
2007-01-30  2:02     ` Nick Piggin

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