ksm: add some documentation

Add Documentation/vm/ksm.txt: how to use the Kernel Samepage Merging feature

Signed-off-by: Hugh Dickins <[email protected]>
Cc: Michael Kerrisk <[email protected]>
Cc: Randy Dunlap <[email protected]>
Acked-by: Izik Eidus <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Hugh Dickins 2009-09-21 17:02:24 -07:00 • committed by Linus Torvalds
commit 7701c9c0f5
3 changed files with 92 additions and 0 deletions

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@ -224,6 +224,7 @@ 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.
config DEFAULT_MMAP_MIN_ADDR
int "Low address space to protect from user allocation"