aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/Kconfig
diff options
context:
space:
mode:
authorMartin Schwidefsky <schwidefsky@de.ibm.com>2008-05-07 09:22:59 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-05-07 09:23:02 +0200
commit45e576b1c3d0020607b8666c0247164e92c7d719 (patch)
tree6dd4ce57baa7b8377ec2b91ee051cef440d171c8 /arch/s390/Kconfig
parent74c76c84576eb2d806f40f6cb2fc8302c01869d8 (diff)
[S390] guest page hinting light
Use the existing arch_alloc_page/arch_free_page callbacks to do the guest page state transitions between stable and unused. Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 29a7940f284..1d035082e78 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -430,6 +430,13 @@ config CMM_IUCV
Select this option to enable the special message interface to
the cooperative memory management.
+config PAGE_STATES
+ bool "Unused page notification"
+ help
+ This enables the notification of unused pages to the
+ hypervisor. The ESSA instruction is used to do the states
+ changes between a page that has content and the unused state.
+
config VIRT_TIMER
bool "Virtual CPU timer support"
help