* [PATCH] ARM: mx5: Enable HIGHMEM
@ 2011-08-24 22:25 Fabio Estevam
0 siblings, 0 replies; only message in thread
From: Fabio Estevam @ 2011-08-24 22:25 UTC (permalink / raw)
To: linux-arm-kernel
MX53 is capable of addressing up to 1GB of RAM.
Select CONFIG_HIGHMEM so that the full 1GB can be detected by the kernel.
and we avoid getting the following message:
Ignoring RAM at b0000000-cfffffff (vmalloc region overlap)
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
Sascha,
As suggested by Russel I enabled HIGHMEM so that we can get the whole
1GB available on MX53.
I don't have my hardware handy right now to test it, but I am sending you this patch
so that you can select this one or the previous that selects CONFIG_VMSPLIT_2G.
arch/arm/configs/mx5_defconfig | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/configs/mx5_defconfig b/arch/arm/configs/mx5_defconfig
index ede3cc2..8eec865 100644
--- a/arch/arm/configs/mx5_defconfig
+++ b/arch/arm/configs/mx5_defconfig
@@ -30,6 +30,7 @@ CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_PREEMPT_VOLUNTARY=y
CONFIG_AEABI=y
+CONFIG_HIGHMEM=y
# CONFIG_OABI_COMPAT is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
CONFIG_CMDLINE="noinitrd console=ttymxc0,115200"
--
1.6.0.4
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