[PATCH v2] Add the values related to buddy system for filtering free pages.

[Andrew Morton]

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

> Andrew Morton <akpm at linux-foundation.org> 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?