On 08/21/15 23:51, Yaowei Bai wrote:
> There is no 'crashkernel=auto' entry in kernel-parameters.txt, borrow it
> from kexec-kdump-howto.txt file in the kexec-tools-2.0.0 package.
>
> Signed-off-by: Yaowei Bai <bywxiao...@163.com>
> ---
> Documentation/kernel-parameters.txt | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/Documentation/kernel-parameters.txt
> b/Documentation/kernel-parameters.txt
> index 1d6f045..4da77fa 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -797,6 +797,15 @@ bytes respectively. Such letter suffixes can also be
> entirely omitted.
> It will be ignored when crashkernel=X,high is not used
> or memory reserved is below 4G.
>
> + crashkernel=auto
> + This specification allows the kernel to decide how much
> + meory to reserve for the purposes of kdump. It will make
memory
> + this determination based on the amount of memory you
> have
> + in your system, and scale the allocation accordingly.
> + Note that if you have less than 4Gb of memory in your
> system,
> + this specification will opt to not allocate any memory
> for
> + the purposes of kdump.
> +
> cs89x0_dma= [HW,NET]
> Format: <dma>
>
>
--
~Randy
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