From: Pavel Machek <pavel@ucw.cz>
To: "Ware, Ryan R" <ryan.r.ware@intel.com>
Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>,
Dave Chinner <david@fromorbit.com>,
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" <kernel@lists.fedoraproject.org>,
Mimi Zohar <zohar@us.ibm.com>,
"warthog9@kernel.org" <warthog9@kernel.org>,
"linux-kernel@vger.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" <mingo@elte.hu>
Subject: Re: ima: use of radix tree cache indexing == massive waste of memory?
Date: Tue, 26 Oct 2010 09:31:59 +0200 [thread overview]
Message-ID: <20101026073159.GA7049@ucw.cz> (raw)
In-Reply-To: <C8E20010.1965B%ryan.r.ware@intel.com>
Hi!
> >> > 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
>
> I'll help look into this aspect too.
>
> To be clear (since my first post seemed to go to the moderator), we will
> be using this starting with MeeGo 1.2. Yes, this rather pigish memory
> usage needs to be addressed. Let's focus on fixing that. I'd say there
> are a number of options we can explore here to do that.
Curious... I see how NSA might want to use it, but MeeGo?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2010-10-27 6:31 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
2010-10-18 20:50 ` Ware, Ryan R
2010-10-26 7:31 ` Pavel Machek [this message]
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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