linux-kernel - Re: XFS memory allocation deadlock in 2.6.38

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

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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