Re: [Patch 3/7] ia64: add CONFIG_KEXEC_AUTO_RESERVE

[Neil Horman]

On Wed, Aug 05, 2009 at 07:19:31AM -0400, Amerigo Wang wrote:
> 
> Introduce a new config option KEXEC_AUTO_RESERVE for ia64.
> 
> Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
> 
> ---
> Index: linux-2.6/arch/ia64/Kconfig
> ===================================================================
> --- linux-2.6.orig/arch/ia64/Kconfig
> +++ linux-2.6/arch/ia64/Kconfig
> @@ -582,6 +582,16 @@ config KEXEC
>  	  support.  As of this writing the exact hardware interface is
>  	  strongly in flux, so no good recommendation can be made.
>  
> +config KEXEC_AUTO_RESERVE
> +	bool "automatically reserve memory for kexec kernel"
> +	depends on KEXEC
> +	default y
> +	---help---
> +	  Automatically reserve memory for a kexec kernel, so that you don't
> +	  need to specify numbers for the "crashkernel=X@Y" boot option,
> +	  instead you can use "crashkernel=auto".
> +	  On IA64, 256M is reserved.
> +
>  config CRASH_DUMP
>  	  bool "kernel crash dumps"
>  	  depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)

Acked-by: Neil Horman <nhorman@xxxxxxxxxxxxx>

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