Hi,

Greg KH <gregkh@suse.de> writes:

quoted text
> 2.6.25-stable review patch.  If anyone has any objections, please let us
> know.
>
> ------------------
> From: Bernhard Walle <bwalle@suse.de>
>
> commit d3942cff620bea073fc4e3c8ed878eb1e84615ce upstream
>
> This patch uses the BOOTMEM_EXCLUSIVE for crashkernel reservation also for
> i386 and prints a error message on failure.
>
> The patch is still for 2.6.26 since it is only bug fixing. The unification
> of reserve_crashkernel() between i386 and x86_64 should be done for 2.6.27.
>
> Signed-off-by: Bernhard Walle <bwalle@suse.de>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
>
> ---
>  arch/x86/kernel/setup_32.c |   10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
>
> --- a/arch/x86/kernel/setup_32.c
> +++ b/arch/x86/kernel/setup_32.c
> @@ -483,10 +483,16 @@ static void __init reserve_crashkernel(v
>  					(unsigned long)(crash_size >> 20),
>  					(unsigned long)(crash_base >> 20),
>  					(unsigned long)(total_mem >> 20));
> +
> +			if (reserve_bootmem(crash_base, crash_size,
> +					BOOTMEM_EXCLUSIVE) < 0) {
> +				printk(KERN_INFO "crashkernel reservation "
> +					"failed - memory is in use\n");
> +				return;
> +			}

You will also need the patch from http://lkml.org/lkml/2008/6/21/103 to
make sure reserve_bootmem() is not void (*)().

	Hannes
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