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-rw-r--r--arch/um/Kconfig.i3866
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index c71b39a677aa..ef79ed25aecd 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -22,13 +22,17 @@ config TOP_ADDR
default 0x80000000 if HOST_2G_2G
config 3_LEVEL_PGTABLES
- bool "Three-level pagetables"
+ bool "Three-level pagetables (EXPERIMENTAL)"
default n
+ depends on EXPERIMENTAL
help
Three-level pagetables will let UML have more than 4G of physical
memory. All the memory that can't be mapped directly will be treated
as high memory.
+ However, this it experimental on 32-bit architectures, so if unsure say
+ N (on x86-64 it's automatically enabled, instead, as it's safe there).
+
config STUB_CODE
hex
default 0xbfffe000