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um: Remove broken highmem support

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Highmem was always buggy and experimental on UML(i386).
In times where 64 bit computers are default we can
remove that experimental code.

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger
2015-03-18 21:59:35 +01:00
parent 28fa468f53
commit a98a6d864d
6 changed files with 1 additions and 93 deletions
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12
arch/um/Kconfig.um
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@@ -95,18 +95,6 @@ config MAGIC_SYSRQ
The keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
unless you really know what this hack does.
config HIGHMEM
bool "Highmem support"
depends on !64BIT && BROKEN
default n
help
This was used to allow UML to run with big amounts of memory.
Currently it is unstable, so if unsure say N.
To use big amounts of memory, it is recommended enable static
linking (i.e. CONFIG_STATIC_LINK) - this should allow the
guest to use up to 2.75G of memory.
config KERNEL_STACK_ORDER
int "Kernel stack size order"
default 1 if 64BIT