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| author | Dave Hansen <haveblue@us.ibm.com> | 2005-06-23 00:07:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-23 09:45:03 -0700 |
| commit | 785dcd44b60ec8ede76fed0af54333ab5f3e848c (patch) | |
| tree | d928787cd93c608f24a6366d0990cd962a5a0c16 /mm | |
| parent | e1785e85b9c81c67b581b511ee4efac6c81e9edb (diff) | |
| download | linux-785dcd44b60ec8ede76fed0af54333ab5f3e848c.tar.bz2 | |
[PATCH] mm/Kconfig: give DISCONTIG more help text
This gives DISCONTIGMEM a bit more help text to explain what it does, not just
when to choose it.
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 7d3a0054cba1..8283685f3bb3 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -23,6 +23,16 @@ config DISCONTIGMEM_MANUAL bool "Discontigious Memory" depends on ARCH_DISCONTIGMEM_ENABLE help + This option provides enhanced support for discontiguous + memory systems, over FLATMEM. These systems have holes + in their physical address spaces, and this option provides + more efficient handling of these holes. However, the vast + majority of hardware has quite flat address spaces, and + can have degraded performance from extra overhead that + this option imposes. + + Many NUMA configurations will have this as the only option. + If unsure, choose "Flat Memory" over this option. endchoice |