linux-kernel - Re: [PATCH] ARM: Kconfig: Open force maximum zone order for all SoCs

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Message-ID: <20140926084403.GK5182@n2100.arm.linux.org.uk>
Date:	Fri, 26 Sep 2014 09:44:03 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	"Li.Xiubo@...escale.com" <Li.Xiubo@...escale.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ARM: Kconfig: Open force maximum zone order for all SoCs

On Fri, Sep 26, 2014 at 08:39:04AM +0000, Li.Xiubo@...escale.com wrote:
> [...]
> > On Fri, Sep 26, 2014 at 05:30:40AM +0000, Li.Xiubo@...escale.com wrote:
> > > Hi Russell,
> > >
> > > I'd like to know the status of this patch.
> > >
> > > Our Platforms depend on it.
> > 
> > I'm not applying it.  This option should not be exposed for general
> > use.  The usage pattern is clear from the existing users - propose
> > an alternative default value for your platform rather than making it
> > a user visible tweakable option.
> > 
> 
> Okay.
> 
> Something like :
> ++++++++++
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 1ad6fb6..5729a2c 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1802,7 +1802,7 @@ source "mm/Kconfig"
>  config FORCE_MAX_ZONEORDER
>         int "Maximum zone order" if ARCH_SHMOBILE
>         range 11 64 if ARCH_SHMOBILE
> -       default "12" if SOC_AM33XX
> +       default "12" if SOC_AM33XX || SOC_LS1021A
>         default "9" if SA1111
>         default "11"
>         help
> ----------
> 
> Is okay ?

It's much better than exposing the option, but I'd like this patch to
appear as a properly submitted change (including a change log which
provides the reason why this is necessary.)

Thanks.

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