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-rw-r--r--arch/um/Kconfig46
1 files changed, 24 insertions, 22 deletions
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index cd06ed7d842d..3b5f47c46907 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -65,6 +65,30 @@ config STATIC_LINK
65 chroot, and you disable CONFIG_MODE_TT, you probably want to say Y 65 chroot, and you disable CONFIG_MODE_TT, you probably want to say Y
66 here. 66 here.
67 67
68config HOST_2G_2G
69 bool "2G/2G host address space split"
70 default n
71 depends on MODE_TT
72 help
73 This is needed when the host on which you run has a 2G/2G memory
74 split, instead of the customary 3G/1G.
75
76 Note that to enable such a host
77 configuration, which makes sense only in some cases, you need special
78 host patches.
79
80 So, if you do not know what to do here, say 'N'.
81
82config KERNEL_HALF_GIGS
83 int "Kernel address space size (in .5G units)"
84 default "1"
85 depends on MODE_TT
86 help
87 This determines the amount of address space that UML will allocate for
88 its own, measured in half Gigabyte units. The default is 1.
89 Change this only if you need to boot UML with an unusually large amount
90 of physical memory.
91
68config MODE_SKAS 92config MODE_SKAS
69 bool "Separate Kernel Address Space support" 93 bool "Separate Kernel Address Space support"
70 default y 94 default y
@@ -182,19 +206,6 @@ config MAGIC_SYSRQ
182 The keys are documented in <file:Documentation/sysrq.txt>. Don't say Y 206 The keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
183 unless you really know what this hack does. 207 unless you really know what this hack does.
184 208
185config HOST_2G_2G
186 bool "2G/2G host address space split"
187 default n
188 help
189 This is needed when the host on which you run has a 2G/2G memory
190 split, instead of the customary 3G/1G.
191
192 Note that to enable such a host
193 configuration, which makes sense only in some cases, you need special
194 host patches.
195
196 So, if you do not know what to do here, say 'N'.
197
198config SMP 209config SMP
199 bool "Symmetric multi-processing support (EXPERIMENTAL)" 210 bool "Symmetric multi-processing support (EXPERIMENTAL)"
200 default n 211 default n
@@ -241,15 +252,6 @@ config NEST_LEVEL
241 set to the host's CONFIG_NEST_LEVEL + CONFIG_KERNEL_HALF_GIGS. 252 set to the host's CONFIG_NEST_LEVEL + CONFIG_KERNEL_HALF_GIGS.
242 Only change this if you are running nested UMLs. 253 Only change this if you are running nested UMLs.
243 254
244config KERNEL_HALF_GIGS
245 int "Kernel address space size (in .5G units)"
246 default "1"
247 help
248 This determines the amount of address space that UML will allocate for
249 its own, measured in half Gigabyte units. The default is 1.
250 Change this only if you need to boot UML with an unusually large amount
251 of physical memory.
252
253config HIGHMEM 255config HIGHMEM
254 bool "Highmem support" 256 bool "Highmem support"
255 depends on !64BIT 257 depends on !64BIT