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Old 12-13-2011, 11:20 AM
Herton Ronaldo Krzesinski
 
Default Ack: DEFAULT_MMAP_MIN_ADDR=32768 for arm

On Tue, Dec 13, 2011 at 12:58:56PM +0100, Paolo Pisati wrote:
> During the armhf system bringup we discovered that DEFAULT_MMAP_MIN_ADDR was
> incorrectly set to 64k, instead of 32k as upstream suggests.
>
> It went unnoticed since N because procps runs early enough in the boot
> process and resets it to 32k, else we would have broken binaries all
> over the place (e.g. https://lkml.org/lkml/2008/4/16/181).
>
> Proposing for [NOP]/master. */omap4 has already the correct value.
>
> Paolo Pisati (1):
> UBUNTU: [Config] DEFAULT_MMAP_MIN_ADDR=32768
>
> debian.master/config/amd64/config.common.amd64 | 1 +
> debian.master/config/armel/config.common.armel | 1 +
> debian.master/config/armhf/config.common.armhf | 1 +
> debian.master/config/config.common.ubuntu | 1 -
> debian.master/config/i386/config.common.i386 | 1 +
> debian.master/config/powerpc/config.common.powerpc | 1 +
> debian.master/config/ppc64/config.common.ppc64 | 1 +
> 7 files changed, 6 insertions(+), 1 deletions(-)
>
> --
> 1.7.5.4
>
>
> --
> kernel-team mailing list
> kernel-team@lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
>

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Old 12-13-2011, 12:02 PM
Stefan Bader
 
Default ACK: DEFAULT_MMAP_MIN_ADDR=32768 for arm

On 13.12.2011 12:58, Paolo Pisati wrote:
> During the armhf system bringup we discovered that DEFAULT_MMAP_MIN_ADDR was
> incorrectly set to 64k, instead of 32k as upstream suggests.
>
> It went unnoticed since N because procps runs early enough in the boot
> process and resets it to 32k, else we would have broken binaries all
> over the place (e.g. https://lkml.org/lkml/2008/4/16/181).
>
> Proposing for [NOP]/master. */omap4 has already the correct value.
>
> Paolo Pisati (1):
> UBUNTU: [Config] DEFAULT_MMAP_MIN_ADDR=32768
>
> debian.master/config/amd64/config.common.amd64 | 1 +
> debian.master/config/armel/config.common.armel | 1 +
> debian.master/config/armhf/config.common.armhf | 1 +
> debian.master/config/config.common.ubuntu | 1 -
> debian.master/config/i386/config.common.i386 | 1 +
> debian.master/config/powerpc/config.common.powerpc | 1 +
> debian.master/config/ppc64/config.common.ppc64 | 1 +
> 7 files changed, 6 insertions(+), 1 deletions(-)
>

Not sure the enforcer runs on Arm, but if it might be something to add.

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Old 12-13-2011, 01:39 PM
Paolo Pisati
 
Default ACK: DEFAULT_MMAP_MIN_ADDR=32768 for arm

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 12/13/2011 02:02 PM, Stefan Bader wrote:
>
> Not sure the enforcer runs on Arm, but if it might be something to
> add.

right, i forgot the enforce rules, let me respin the patchset.

- --
bye,
p.
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Old 12-13-2011, 02:06 PM
Stefan Bader
 
Default ACK: DEFAULT_MMAP_MIN_ADDR=32768 for arm

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

On 13.12.2011 15:39, Paolo Pisati wrote:
> On 12/13/2011 02:02 PM, Stefan Bader wrote:
>
>> Not sure the enforcer runs on Arm, but if it might be something to add.
>
> right, i forgot the enforce rules, let me respin the patchset.
>
I think that armhf not existing in before P matters for the enforcer rules...
Based on that ack...
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