diff options
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index a9cb80ae6409..332f5c29b53a 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -137,5 +137,11 @@ 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. |