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authorJeff Dike <jdike@addtoit.com>2007-05-10 22:22:35 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 08:29:34 -0700
commit02239c29967418284c05d58971894d658575e78c (patch)
treebe37214b7311729ff77afb00dca8de4f8bb7d7af /arch/um
parentc14b84949e127560084c7c56b365931c71c60768 (diff)
downloadlinux-2.6.34-ux500-02239c29967418284c05d58971894d658575e78c.tar.gz
uml: shrink kernel stacks
Make kernel stacks be 1 page on i386 and 2 pages on x86_64. These match the host values. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/Kconfig3
-rw-r--r--arch/um/defconfig2
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index b9c0f307a8f..c504312219b 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -277,7 +277,8 @@ config HIGHMEM
config KERNEL_STACK_ORDER
int "Kernel stack size order"
- default 2
+ default 1 if 64BIT
+ default 0 if !64BIT
help
This option determines the size of UML kernel stacks. They will
be 1 << order pages. The default is OK unless you're running Valgrind
diff --git a/arch/um/defconfig b/arch/um/defconfig
index f938fa82214..a54d0efecae 100644
--- a/arch/um/defconfig
+++ b/arch/um/defconfig
@@ -86,7 +86,7 @@ CONFIG_MCONSOLE=y
# CONFIG_MAGIC_SYSRQ is not set
CONFIG_NEST_LEVEL=0
# CONFIG_HIGHMEM is not set
-CONFIG_KERNEL_STACK_ORDER=2
+CONFIG_KERNEL_STACK_ORDER=0
CONFIG_UML_REAL_TIME_CLOCK=y
#