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Date:	Wed, 19 Dec 2012 17:00:38 -0800
From:	Andrew Morton <>
To: (Eric W. Biederman)
Cc:	Atsushi Kumagai <>,,,
Subject: Re: [PATCH v2] Add the values related to buddy system for filtering
 free pages.

On Wed, 19 Dec 2012 16:57:03 -0800 (Eric W. Biederman) wrote:

> Andrew Morton <> writes:
> > Is there any way in which we can move some of this logic into the
> > kernel?  In this case, add some kernel code which uses PageBuddy() on
> > behalf of makedumpfile, rather than replicating the PageBuddy() logic
> > in userspace?
> All that exists when makedumpfile runs is a core file.  So it would have
> to be something like a share library that builds with the kernel and
> then makedumpfile loads.

Can we omit free pages from that core file?

And/or add a section to that core file which flags free pages?
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