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Subject: Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting
	(core)
From: Rohit Seth <rohitseth@google.com>
Reply-To: rohitseth@google.com
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Dave Hansen <haveblue@us.ibm.com>, Rik van Riel <riel@redhat.com>,
       Andi Kleen <ak@suse.de>, ckrm-tech@lists.sourceforge.net,
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Date: Thu, 17 Aug 2006 09:42:42 -0700
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On Thu, 2006-08-17 at 01:24 +0100, Alan Cox wrote:
> Ar Mer, 2006-08-16 am 12:59 -0700, ysgrifennodd Dave Hansen:
> > relationship between processes and mm's.  We could also potentially have
> > two different threads of a process in two different accounting contexts.
> > But, that might be as simple to fix as disallowing things that share mms
> > from being in different accounting contexts, unless you unshare the mm.
> 
> At the point I have twenty containers containing 20 copies of glibc to
> meet your suggestion it would be *far* cheaper to put it in the page
> struct.


I think the best would be to have a container for /usr/lib or /lib in
this case where you can account all  pages belonging to files present in
these directories and shared across multiple applications.

-rohit