diff options
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 5585f129359..5b5790f8a81 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -187,6 +187,9 @@ config RESOURCES_64BIT help This option allows memory and IO resources to be 64 bit. +config PHYS_ADDR_T_64BIT + def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT + config ZONE_DMA_FLAG int default "0" if !ZONE_DMA @@ -206,5 +209,16 @@ config VIRT_TO_BUS def_bool y depends on !ARCH_NO_VIRT_TO_BUS +config UNEVICTABLE_LRU + bool "Add LRU list to track non-evictable pages" + default y + depends on MMU + help + Keeps unevictable pages off of the active and inactive pageout + lists, so kswapd will not waste CPU time or have its balancing + algorithms thrown off by scanning these pages. Selecting this + will use one page flag and increase the code size a little, + say Y unless you know what you are doing. + config MMU_NOTIFIER bool |