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Date: Wed, 30 Mar 2011 05:23:17 -0400
From: "'Christoph Hellwig'" <hch@infradead.org>
Subject: Re: XFS memory allocation deadlock in 2.6.38
Message-ID: <20110330092316.GA21819@infradead.org>
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To: Dave Chinner <david@fromorbit.com>
Cc: Trammell Hudson <Trammell.Hudson@twosigma.com>, Christos Zoulas <Christos.Zoulas@twosigma.com>, Sean Noonan <Sean.Noonan@twosigma.com>, Martin Bligh <Martin.Bligh@twosigma.com>, "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>, Stephen Degler <Stephen.Degler@twosigma.com>, 'Christoph Hellwig' <hch@infradead.org>, "'linux-mm@kvack.org'" <linux-mm@kvack.org>, "'linux-xfs@oss.sgi.com'" <linux-xfs@oss.sgi.com>, 'Michel Lespinasse' <walken@google.com>

On Wed, Mar 30, 2011 at 09:42:30AM +1100, Dave Chinner wrote:
> > +#define MAX_VMALLOCS	6
> > +#define MAX_SLAB_SIZE	0x20000
> 
> Why those values for the magic numbers?

Ask the person who added it originall, it's just a revert to the
code before my commit to clean up our vmalloc usage.

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