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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-05-07 09:22:59 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-05-07 09:23:02 +0200 |
| commit | 45e576b1c3d0020607b8666c0247164e92c7d719 (patch) | |
| tree | 6dd4ce57baa7b8377ec2b91ee051cef440d171c8 /arch/s390/Kconfig | |
| parent | 74c76c84576eb2d806f40f6cb2fc8302c01869d8 (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/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 29a7940f284f..1d035082e78e 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 |