From b31288fa83b2bcc8834e1e208e9526b8bd5ce361 Mon Sep 17 00:00:00 2001
From: Konstantin Weitz <konstantin.weitz@gmail.com>
Date: Wed, 17 Apr 2013 17:36:29 +0200
Subject: [PATCH] s390/kvm: support collaborative memory management

This patch enables Collaborative Memory Management (CMM) for kvm
on s390. CMM allows the guest to inform the host about page usage
(see arch/s390/mm/cmm.c). The host uses this information to avoid
swapping in unused pages in the page fault handler. Further, a CPU
provided list of unused invalid pages is processed to reclaim swap
space of not yet accessed unused pages.

[ Martin Schwidefsky: patch reordering and cleanup ]

Signed-off-by: Konstantin Weitz <konstantin.weitz@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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