Thread (7 messages) 7 messages, 2 authors, 2013-06-03

[PATCH 2/2] ARM: ux500: Enable HIGHMEM in the u8540 defconfig

From: arnd@arndb.de (Arnd Bergmann)
Date: 2013-05-31 15:03:21
Also in: lkml

On Friday 31 May 2013 15:24:32 Lee Jones wrote:
In order to utilise all of the memory located on ux500 based devices
we have to enable HIGHMEM. Without it the kernel truncates memory down
to what's left after the PAGE_OFFSET has been applied, which doesn't
leave an awful lot, especially if we're running large rootfs' such
as full Linux desktop distributions or Android.

Signed-off-by: Lee Jones <redacted>
How much memory do those devices have? Enabling HIGHMEM is quite expensive.
quoted hunk ↗ jump to hunk
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 5439925..808be06 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
You should probably resend the patch without the second half that got
in it by accident.

	ARnd
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