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authorLennert Buytenhek <buytenh@wantstofly.org>2008-08-25 21:03:32 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-09-01 12:06:33 +0100
commit8d5796d2ec6b5a4e7a52861144e63af438d6f8f7 (patch)
tree9c348b627862a7408aeafdee30cacb08ea69fd60 /arch/arm/Kconfig
parent2d4b6c9aeb94cb9cb5c250f23e81e6d00b461372 (diff)
downloadlinux-8d5796d2ec6b5a4e7a52861144e63af438d6f8f7.tar.bz2
[ARM] 5222/1: Allow configuring user:kernel split via Kconfig
This patch adds a config option (CONFIG_VMSPLIT_*) to allow choosing between 3:1, 2:2 and 1:3 user:kernel memory splits. Tested-by: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c6b248d19c79..4eb816c4df7d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -311,6 +311,7 @@ config ARCH_IOP13XX
select PLAT_IOP
select PCI
select ARCH_SUPPORTS_MSI
+ select VMSPLIT_1G
help
Support for Intel's IOP13XX (XScale) family of processors.
@@ -739,6 +740,29 @@ config SMP
If you don't know what to do here, say N.
+choice
+ prompt "Memory split"
+ default VMSPLIT_3G
+ help
+ Select the desired split between kernel and user memory.
+
+ If you are not absolutely sure what you are doing, leave this
+ option alone!
+
+ config VMSPLIT_3G
+ bool "3G/1G user/kernel split"
+ config VMSPLIT_2G
+ bool "2G/2G user/kernel split"
+ config VMSPLIT_1G
+ bool "1G/3G user/kernel split"
+endchoice
+
+config PAGE_OFFSET
+ hex
+ default 0x40000000 if VMSPLIT_1G
+ default 0x80000000 if VMSPLIT_2G
+ default 0xC0000000
+
config NR_CPUS
int "Maximum number of CPUs (2-32)"
range 2 32