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From: CaT <cat@zip.com.au>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.24-rc7: memory leak?
Date: Thu, 17 Jan 2008 23:28:57 +1100	[thread overview]
Message-ID: <20080117122856.GT3940@zip.com.au> (raw)
In-Reply-To: <1200572511.28661.20.camel@twins>

On Thu, Jan 17, 2008 at 01:21:51PM +0100, Peter Zijlstra wrote:
> > If that's the case it would seem to be somewhat of a pain to get and
> > kind of out of left field as I'd say most people would expect MemFree to
> > indicate the amount of memory that's no longer freely available
> > (ignoring swapping it out for simplicities sake).
> 
> I'm somewhat confused as to what you're saying. How would anyone expect
> MemFree to be memory that is _not_ freely available?

I think we have conflicting ideas of what 'freely available' means here
which is causing the confusion. :)

> Or are you asking how to compute the amount of freeable memory, that is
> memory that isn't currently free, but could be freed up under pressure?

Yes. I think I am. (heh)

> If that is indeed your question, then yes, thats rather hard as slabinfo
> and the like don't indicate which buckets have shrinkers (but even if

Ah. Foo.

> they would have shrinkers there is no guarantee they'd be able to shrink
> 100%)

Whacky.

:/

-- 
    "To the extent that we overreact, we proffer the terrorists the
    greatest tribute."
    	- High Court Judge Michael Kirby

  reply	other threads:[~2008-01-17 12:31 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-17  6:34 2.6.24-rc7: memory leak? CaT
2008-01-17 11:21 ` Pekka Enberg
2008-01-17 11:22 ` Peter Zijlstra
2008-01-17 11:40   ` CaT
2008-01-17 12:07     ` Peter Zijlstra
2008-01-17 12:14       ` CaT
2008-01-17 12:21         ` Peter Zijlstra
2008-01-17 12:28           ` CaT [this message]
2008-01-17 12:22         ` KOSAKI Motohiro
2008-01-17 12:35           ` CaT

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