From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] MXS: Fix mxs_defconfig MMAP_MIN_ADDR
Date: Fri, 3 Aug 2012 20:46:27 +0200 [thread overview]
Message-ID: <201208032046.28211.marex@denx.de> (raw)
In-Reply-To: <20120803174016.GE10335@n2100.arm.linux.org.uk>
Dear Russell King - ARM Linux,
[...]
> > > No need to set it to 32768.
> > >
> > > If you just remove the 'CONFIG_DEFAULT_MMAP_MIN_ADDR=65536' then this
> > > symbol will be 32768.
> >
> > Sorry, ignore what I said. I just realized that the default is 4096.
>
> 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.
Wasn't there a security concern being the reason for setting this higher? Also,
I still don't completely understand why ARM has to set it lower than others, is
that an ABI thing?
Russell, do you happen to have some further reading for me I could study on this
topic please?
Thanks!
Best regards,
Marek Vasut
next prev parent reply other threads:[~2012-08-03 18:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-03 15:55 [PATCH] MXS: Fix mxs_defconfig MMAP_MIN_ADDR Marek Vasut
2012-08-03 16:46 ` Fabio Estevam
2012-08-03 16:48 ` Fabio Estevam
2012-08-03 16:54 ` Fabio Estevam
2012-08-03 17:40 ` Russell King - ARM Linux
2012-08-03 18:23 ` Fabio Estevam
2012-08-03 18:46 ` Marek Vasut [this message]
2012-08-03 19:06 ` Russell King - ARM Linux
2012-08-03 19:08 ` Marek Vasut
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