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Re: ima: use of radix tree cache indexing == massive waste of memory?

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From: Kyle McMartin
Subject: Re: ima: use of radix tree cache indexing == massive waste of memory?
Date: Saturday, October 16, 2010 - 6:09 pm

On Sat, Oct 16, 2010 at 08:49:45PM -0400, Christoph Hellwig wrote:

Hey Eric, sorry to throw you under the bus, but...

1.316        (eparis   11-Aug-09): CONFIG_IMA=y

Perhaps we should stop merging crap into the kernel if it's not supposed
to be enabled. (Granted, IMA is better than 99% of the random junk
merged in a release, it actually has somewhat useful Kconfig help text,
unlike the thousands of crap drivers that get merged which provide no
hint to what obscure medieval ARM board found only on three silicon
revisions two of which were never released they were for.)

The Kconfig description sounds generally useful to me. If it's bloated
crap, how did it get merged?

Sigh.

--Kyle
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Messages in current thread:
ima: use of radix tree cache indexing == massive waste of ..., Dave Chinner, (Fri Oct 15, 11:52 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Christoph Hellwig, (Sat Oct 16, 12:20 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., H. Peter Anvin, (Sat Oct 16, 2:10 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Dave Chinner, (Sat Oct 16, 5:35 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Christoph Hellwig, (Sat Oct 16, 5:49 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., J.H., (Sat Oct 16, 5:54 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Kyle McMartin, (Sat Oct 16, 6:09 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Christoph Hellwig, (Sat Oct 16, 6:13 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Dave Chinner, (Sat Oct 16, 7:11 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Ingo Molnar, (Sat Oct 16, 10:40 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Ingo Molnar, (Sat Oct 16, 10:49 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Mimi Zohar, (Sat Oct 16, 10:57 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Peter Zijlstra, (Sun Oct 17, 4:02 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Eric Paris, (Sun Oct 17, 6:12 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Peter Zijlstra, (Sun Oct 17, 6:59 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Peter Zijlstra, (Sun Oct 17, 7:04 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Mimi Zohar, (Sun Oct 17, 7:09 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Eric Paris, (Sun Oct 17, 7:16 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Christoph Hellwig, (Sun Oct 17, 11:46 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Christoph Hellwig, (Sun Oct 17, 11:49 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Christoph Hellwig, (Sun Oct 17, 11:52 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Pavel Machek, (Sun Oct 17, 12:39 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Dave Chinner, (Sun Oct 17, 5:07 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., James Morris, (Sun Oct 17, 5:49 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Kyle McMartin, (Sun Oct 17, 11:25 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Andrew Morton, (Sun Oct 17, 11:36 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Dave Chinner, (Mon Oct 18, 2:29 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Peter Zijlstra, (Mon Oct 18, 4:57 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Mimi Zohar, (Mon Oct 18, 6:31 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Ted Ts'o, (Mon Oct 18, 7:59 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Peter Zijlstra, (Mon Oct 18, 8:02 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Eric Paris, (Mon Oct 18, 8:02 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Mimi Zohar, (Mon Oct 18, 9:03 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Ryan Ware, (Mon Oct 18, 9:44 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Ryan Ware, (Mon Oct 18, 9:46 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Eric Paris, (Mon Oct 18, 9:48 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Kyle McMartin, (Mon Oct 18, 10:10 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Kyle McMartin, (Mon Oct 18, 10:34 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Linus Torvalds, (Mon Oct 18, 10:56 am)
Re: ima: use of radix tree cache indexing == massive waste ..., H. Peter Anvin, (Mon Oct 18, 11:06 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Ingo Molnar, (Mon Oct 18, 11:11 am)
Re: ima: use of radix tree cache indexing == massive waste ..., J.H., (Mon Oct 18, 11:12 am)
Re: ima: use of radix tree cache indexing == massive waste ..., H. Peter Anvin, (Mon Oct 18, 11:13 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Eric Paris, (Mon Oct 18, 11:13 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Ingo Molnar, (Mon Oct 18, 11:19 am)
Re: ima: use of radix tree cache indexing == massive waste ..., Eric Paris, (Mon Oct 18, 11:43 am)
Re: ima: use of radix tree cache indexing == massive waste ..., John Stoffel, (Mon Oct 18, 12:24 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Eric Paris, (Mon Oct 18, 5:58 pm)
Re: ima: use of radix tree cache indexing == massive waste ..., Pavel Machek, (Mon Oct 25, 6:18 am)