diff options
Diffstat (limited to 'linux-2.6-xen-sparse/mm/Kconfig')
| -rw-r--r-- | linux-2.6-xen-sparse/mm/Kconfig | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/linux-2.6-xen-sparse/mm/Kconfig b/linux-2.6-xen-sparse/mm/Kconfig index f54f49fbb6..32bd2d6bc5 100644 --- a/linux-2.6-xen-sparse/mm/Kconfig +++ b/linux-2.6-xen-sparse/mm/Kconfig @@ -115,7 +115,7 @@ config SPARSEMEM_EXTREME # eventually, we can have this option just 'select SPARSEMEM' config MEMORY_HOTPLUG bool "Allow for memory hot-add" - depends on SPARSEMEM && HOTPLUG && !SOFTWARE_SUSPEND && ARCH_ENABLE_MEMORY_HOTPLUG + depends on SPARSEMEM && HOTPLUG && !SOFTWARE_SUSPEND comment "Memory hotplug is currently incompatible with Software Suspend" depends on SPARSEMEM && HOTPLUG && SOFTWARE_SUSPEND @@ -140,5 +140,11 @@ config SPLIT_PTLOCK_CPUS # support for page migration # config MIGRATION - def_bool y if NUMA || SPARSEMEM || DISCONTIGMEM - depends on SWAP + bool "Page migration" + def_bool y if NUMA + depends on SWAP && NUMA + help + Allows the migration of the physical location of pages of processes + while the virtual addresses are not changed. This is useful for + example on NUMA systems to put pages nearer to the processors accessing + the page. |