[PATCH V2] MXS: Remove MMAP_MIN_ADDR setting from mxs_defconfig

Shawn Guo shawn.guo at linaro.org
Sat Aug 4 10:09:02 EDT 2012

Again, patch subject should be like "ARM: mxs: ...".

On Fri, Aug 03, 2012 at 08:54:48PM +0200, Marek Vasut wrote:
> The CONFIG_DEFAULT_MMAP_MIN_ADDR was set to 65536 in mxs_defconfig,
> this caused severe breakage of userland applications since the upper
> limit for ARM is 32768. By default CONFIG_DEFAULT_MMAP_MIN_ADDR is
> set to 4096 and can also be changed via /proc/sys/vm/mmap_min_addr
> if needed.
> Quoting Russell King [1]:
> "4096 is also fine for ARM too. There's not much point in having
> defconfigs change it - that would just be pure noise in the config
> files."
> the CONFIG_DEFAULT_MMAP_MIN_ADDR can be removed from the defconfig
> altogether.
> This problem was introduced by:
> commit cde7c41feaa06cb6bfc748b2fc3c7d809091c2b0
> Author: Wolfram Sang <w.sang at pengutronix.de>
> Date:   Fri Apr 29 15:06:40 2011 +0200
>     ARM: configs: add defconfig for mach-mxs

We generally quote another commit in commit message like

cde7c41 (ARM: configs: add defconfig for mach-mxs)

> [1] http://marc.info/?l=linux-arm-kernel&m=134401593807820&w=2
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: Shawn Guo <shawn.guo at linaro.org>
> Cc: Wolfgang Denk <wd at denx.de>

We should Cc stable.

I just fixed them and queued the patch for 3.6-rc.


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