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Subject: Re: ima: use of radix tree cache indexing == massive waste of
 memory?
From: Mimi Zohar <zohar@linux.vnet.ibm.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        Kyle McMartin <kyle@mcmartin.ca>, James Morris <jmorris@namei.org>,
        Christoph Hellwig <hch@infradead.org>, kernel@lists.fedoraproject.org,
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        linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
        Serge Hallyn <serue@us.ibm.com>,
        Linus Torvalds <torvalds@linux-foundation.org>, mingo@elte.hu
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Date: Mon, 18 Oct 2010 09:31:00 -0400
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On Mon, 2010-10-18 at 20:29 +1100, Dave Chinner wrote:
> On Sun, Oct 17, 2010 at 11:36:20PM -0700, Andrew Morton wrote:
> > On Mon, 18 Oct 2010 02:25:30 -0400 Kyle McMartin <kyle@mcmartin.ca> wrote:
> > 
> > > Subject: [PATCH] ima: allow it to be completely disabled (and default to off)
> > 
> > Good enough as a short-term thing I guess.
> > 
> > But the memory consumption which David described is plain nuttiness and
> > needs to be fixed, presumably by using a more appropriate data structure
> > for lookups.
> > 
> > However unless I missed it, nobody has yet stated that they intend to
> > fix this?
> 
> I think Eric said he is going to look at it.
> 
> Cheers,
> 
> Dave.

Am looking at it as well.

Mimi