diff options
Diffstat (limited to 'mm/Kconfig')
-rw-r--r-- | mm/Kconfig | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index edd300aca173..57963c6063d1 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -224,7 +224,9 @@ config KSM the many instances by a single resident page with that content, so saving memory until one or another app needs to modify the content. Recommended for use with KVM, or with other duplicative applications. - See Documentation/vm/ksm.txt for more information. + See Documentation/vm/ksm.txt for more information: KSM is inactive + until a program has madvised that an area is MADV_MERGEABLE, and + root has set /sys/kernel/mm/ksm/run to 1 (if CONFIG_SYSFS is set). config DEFAULT_MMAP_MIN_ADDR int "Low address space to protect from user allocation" |