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

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From: Andrew Morton
Subject: Re: ima: use of radix tree cache indexing == massive waste of memory?
Date: Sunday, October 17, 2010 - 11:36 pm

On Mon, 18 Oct 2010 02:25:30 -0400 Kyle McMartin <kyle@mcmartin.ca> wrote:


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?
--
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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)