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[PATCH] mm/Kconfig: give DISCONTIG more help text

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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>
This commit is contained in:
Dave Hansen 2005-06-23 00:07:50 -07:00 committed by Linus Torvalds
parent e1785e85b9
commit 785dcd44b6
1 changed files with 10 additions and 0 deletions
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mm/Kconfig
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@ -23,6 +23,16 @@ config DISCONTIGMEM_MANUAL
bool "Discontigious Memory" bool "Discontigious Memory"
depends on ARCH_DISCONTIGMEM_ENABLE depends on ARCH_DISCONTIGMEM_ENABLE
help 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. If unsure, choose "Flat Memory" over this option.
endchoice endchoice