From: Ravikiran G Thirumalai <kiran@scalex86.org>
To: Andrew Morton <akpm@osdl.org>
Cc: Christoph Lameter <clameter@sgi.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andi Kleen <ak@suse.de>,
"Shai Fultheim (Shai@scalex86.org)" <shai@scalex86.org>,
pravin b shelar <pravin.shelar@calsoftinc.com>,
a.p.zijlstra@chello.nl
Subject: Re: High lock spin time for zone->lru_lock under extreme conditions
Date: Fri, 12 Jan 2007 23:42:42 -0800 [thread overview]
Message-ID: <20070113074242.GB4234@localhost.localdomain> (raw)
In-Reply-To: <20070112171116.a8f62ecb.akpm@osdl.org>
On Fri, Jan 12, 2007 at 05:11:16PM -0800, Andrew Morton wrote:
> On Fri, 12 Jan 2007 17:00:39 -0800
> Ravikiran G Thirumalai <kiran@scalex86.org> wrote:
>
> > But is
> > lru_lock an issue is another question.
>
> I doubt it, although there might be changes we can make in there to
> work around it.
>
> <mentions PAGEVEC_SIZE again>
I tested with PAGEVEC_SIZE define to 62 and 126 -- no difference. I still
notice the atrociously high spin times.
Thanks,
Kiran
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next prev parent reply other threads:[~2007-01-13 7:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-12 16:01 Ravikiran G Thirumalai
2007-01-12 17:03 ` Peter Zijlstra
2007-01-12 19:46 ` Christoph Lameter
2007-01-12 21:25 ` Andrew Morton
2007-01-12 21:40 ` Ravikiran G Thirumalai
2007-01-12 21:45 ` Christoph Lameter
2007-01-13 1:00 ` Ravikiran G Thirumalai
2007-01-13 1:11 ` Andrew Morton
2007-01-13 7:42 ` Ravikiran G Thirumalai [this message]
2007-01-13 4:39 ` Nick Piggin
2007-01-13 7:36 ` Ravikiran G Thirumalai
2007-01-13 7:53 ` Nick Piggin
2007-01-13 8:00 ` Andrew Morton
2007-01-13 19:53 ` Ravikiran G Thirumalai
2007-01-13 21:20 ` Andrew Morton
2007-01-16 2:56 ` Ravikiran G Thirumalai
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