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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 11:08:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 11:08:17 -0700
commit5047887caf1806f31652210df27fb62a7c43f27d (patch)
tree4098ead40c1aa7b904167f67cff87a247cfa0b6c /arch/powerpc/platforms/pseries/Kconfig
parent996abf053eec4d67136be8b911bbaaf989cfb99c (diff)
parent973b7d83ebeb1e34b8bee69208916e5f0e2353c3 (diff)
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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (34 commits) powerpc: Wireup new syscalls Move update_mmu_cache() declaration from tlbflush.h to pgtable.h powerpc/pseries: Remove kmalloc call in handling writes to lparcfg powerpc/pseries: Update arch vector to indicate support for CMO ibmvfc: Add support for collaborative memory overcommit ibmvscsi: driver enablement for CMO ibmveth: enable driver for CMO ibmveth: Automatically enable larger rx buffer pools for larger mtu powerpc/pseries: Verify CMO memory entitlement updates with virtual I/O powerpc/pseries: vio bus support for CMO powerpc/pseries: iommu enablement for CMO powerpc/pseries: Add CMO paging statistics powerpc/pseries: Add collaborative memory manager powerpc/pseries: Utilities to set firmware page state powerpc/pseries: Enable CMO feature during platform setup powerpc/pseries: Split retrieval of processor entitlement data into a helper routine powerpc/pseries: Add memory entitlement capabilities to /proc/ppc64/lparcfg powerpc/pseries: Split processor entitlement retrieval and gathering to helper routines powerpc/pseries: Remove extraneous error reporting for hcall failures in lparcfg powerpc: Fix compile error with binutils 2.15 ... Fixed up conflict in arch/powerpc/platforms/52xx/Kconfig manually.
Diffstat (limited to 'arch/powerpc/platforms/pseries/Kconfig')
-rw-r--r--arch/powerpc/platforms/pseries/Kconfig23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index 757c029..97619fd 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -40,3 +40,26 @@ config PPC_PSERIES_DEBUG
depends on PPC_PSERIES && PPC_EARLY_DEBUG
bool "Enable extra debug logging in platforms/pseries"
default y
+
+config PPC_SMLPAR
+ bool "Support for shared-memory logical partitions"
+ depends on PPC_PSERIES
+ select LPARCFG
+ default n
+ help
+ Select this option to enable shared memory partition support.
+ With this option a system running in an LPAR can be given more
+ memory than physically available and will allow firmware to
+ balance memory across many LPARs.
+
+config CMM
+ tristate "Collaborative memory management"
+ depends on PPC_SMLPAR
+ default y
+ help
+ Select this option, if you want to enable the kernel interface
+ to reduce the memory size of the system. This is accomplished
+ by allocating pages of memory and put them "on hold". This only
+ makes sense for a system running in an LPAR where the unused pages
+ will be reused for other LPARs. The interface allows firmware to
+ balance memory across many LPARs.