Migrate-on-fault - add migrate on fault Kconfig option Add a "MIGRATE_ON_FAULT" Kconfig suboption to "MIGRATION" to separately enable/disable MIGRATE_ON_FAULT handling. Signed-off-by: Lee Schermerhorn <lee.schermerhorn@xxxxxx> mm/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) Index: linux-2.6.36-mmotm-101103-1217/mm/Kconfig =================================================================== --- linux-2.6.36-mmotm-101103-1217.orig/mm/Kconfig +++ linux-2.6.36-mmotm-101103-1217/mm/Kconfig @@ -198,6 +198,18 @@ config MIGRATION pages as migration can relocate pages to satisfy a huge page allocation instead of reclaiming. +# I really want to "select SWAP" here, but that resulted in a circular +# dependency with "HIBERNATION" back in 28-rc4[-mm*] +config MIGRATE_ON_FAULT + bool "Migrate unmapped page on fault" + depends on MIGRATION + depends on SWAP + help + Allows "misplaced" pages found in a page cache at fault time to be + migrated to the node specified by the applicable policy when the + page is not currently mapped by any tasks. This allows a task to + pull unmapped pages closer to itself when enabled for that task. + config PHYS_ADDR_T_64BIT def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT -- To unsubscribe from this list: send the line "unsubscribe linux-numa" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
