[PATCH] kexec x86: drop truncation warning for crash kernel

Simon Horman horms at verge.net.au
Mon Mar 4 20:53:30 EST 2013


On Mon, Feb 25, 2013 at 12:00:07PM -0600, Cliff Wickman wrote:
> From: Cliff Wickman <cpw at sgi.com>
> 
> On kexec set-up of a crash kernel on a very large memory machine we
> sometimes see the worrisome warning:
>   Too many memory ranges, truncating...
> meaning that the total count of e820 ram, reserved and ACPI spaces is over 128.
> 
> Per the comment in do_bzImage_load():
>                 /* If using bzImage for capture kernel, then we will not be
>                  * executing real mode code. setup segment can be loaded
>                  * anywhere as we will be just reading command line.
>                  */
> So if I understand, the e820 table built here and added to the 'real_mode'
> area is not going to be used.
> So the warning message can be omitted.

Thanks, applied.



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