ARM: 8433/1: add a VMSPLIT_3G_OPT config option

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by

Nicolas Pitre and committed by

Russell King 10 years ago 63ce446c 0768330d

1 changed file

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arch

arm

Kconfig

arch/arm/Kconfig

··· 1469 1469 1470 1470 config VMSPLIT_3G 1471 1471 bool "3G/1G user/kernel split" 1472 + config VMSPLIT_3G_OPT 1473 + bool "3G/1G user/kernel split (for full 1G low memory)" 1472 1474 config VMSPLIT_2G 1473 1475 bool "2G/2G user/kernel split" 1474 1476 config VMSPLIT_1G ··· 1482 1480 default PHYS_OFFSET if !MMU 1483 1481 default 0x40000000 if VMSPLIT_1G 1484 1482 default 0x80000000 if VMSPLIT_2G 1483 + default 0xB0000000 if VMSPLIT_3G_OPT 1485 1484 default 0xC0000000 1486 1485 1487 1486 config NR_CPUS