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, Mimi Zohar <zohar@us.ibm.com>,
warthog9@kernel.org, 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
Subject: Re: ima: use of radix tree cache indexing == massive waste of memory?
Date: Mon, 18 Oct 2010 09:31:00 -0400 [thread overview]
Message-ID: <1287408660.2516.2.camel@localhost.localdomain> (raw)
In-Reply-To: <20101018092917.GJ29677@dastard>
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
next prev parent reply other threads:[~2010-10-18 18:18 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-16 6:52 ima: use of radix tree cache indexing == massive waste of memory? Dave Chinner
2010-10-16 19:20 ` Christoph Hellwig
2010-10-16 21:10 ` H. Peter Anvin
2010-10-17 0:35 ` Dave Chinner
2010-10-17 0:54 ` J.H.
2010-10-17 2:11 ` Dave Chinner
2010-10-18 18:12 ` J.H.
2010-10-17 0:49 ` Christoph Hellwig
2010-10-17 1:09 ` Kyle McMartin
2010-10-17 1:13 ` Christoph Hellwig
2010-10-17 5:49 ` Ingo Molnar
2010-10-17 5:40 ` Ingo Molnar
2010-10-17 18:46 ` Christoph Hellwig
2010-10-18 0:49 ` James Morris
2010-10-18 6:25 ` Kyle McMartin
2010-10-18 6:36 ` Andrew Morton
2010-10-18 9:29 ` Dave Chinner
2010-10-18 13:31 ` Mimi Zohar [this message]
2010-10-18 20:50 ` Ware, Ryan R
2010-10-26 7:31 ` Pavel Machek
2010-10-18 16:03 ` Mimi Zohar
2010-10-18 19:24 ` John Stoffel
2010-10-18 16:46 ` Ryan Ware
2010-10-18 16:48 ` Eric Paris
2010-10-18 17:10 ` Kyle McMartin
2010-10-18 17:34 ` Kyle McMartin
2010-10-18 17:56 ` Linus Torvalds
2010-10-18 18:13 ` Eric Paris
2010-10-18 18:19 ` Ingo Molnar
2010-10-18 18:43 ` Eric Paris
2010-10-19 0:58 ` Eric Paris
2010-10-18 18:06 ` H. Peter Anvin
2010-10-18 18:11 ` Ingo Molnar
2010-10-18 18:13 ` H. Peter Anvin
2010-10-25 13:18 ` Pavel Machek
2010-10-17 5:57 ` Mimi Zohar
2010-10-17 11:02 ` Peter Zijlstra
2010-10-17 13:12 ` Eric Paris
2010-10-17 13:59 ` Peter Zijlstra
2010-10-17 14:04 ` Peter Zijlstra
2010-10-17 14:16 ` Eric Paris
2010-10-18 11:57 ` Peter Zijlstra
2010-10-18 14:59 ` Ted Ts'o
2010-10-18 15:02 ` Peter Zijlstra
2010-10-18 15:02 ` Eric Paris
2010-10-17 18:52 ` Christoph Hellwig
2010-10-18 16:44 ` Ryan Ware
2010-10-18 0:07 ` Dave Chinner
2010-10-17 14:09 ` Mimi Zohar
2010-10-17 18:49 ` Christoph Hellwig
2010-10-17 19:39 ` Pavel Machek
-- strict thread matches above, loose matches on Subject: below --
2010-10-18 15:09 Christoph Hellwig
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