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ARM: 8433/1: add a VMSPLIT_3G_OPT config option 

Mimicking the same config option on x86, this allows for 1GB systems to
have their RAM entirely mapped as low memory.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
hifive-unleashed-5.1
Nicolas Pitre 2015-09-13 03:30:11 +01:00 committed by Russell King
parent 0768330d46
commit 63ce446c9b
1 changed files with 3 additions and 0 deletions
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arch/arm/Kconfig
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@ -1469,6 +1469,8 @@ choice
config VMSPLIT_3G
bool "3G/1G user/kernel split"
config VMSPLIT_3G_OPT
bool "3G/1G user/kernel split (for full 1G low memory)"
config VMSPLIT_2G
bool "2G/2G user/kernel split"
config VMSPLIT_1G
@ -1480,6 +1482,7 @@ config PAGE_OFFSET
default PHYS_OFFSET if !MMU
default 0x40000000 if VMSPLIT_1G
default 0x80000000 if VMSPLIT_2G
default 0xB0000000 if VMSPLIT_3G_OPT
default 0xC0000000
config NR_CPUS