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 <bywxiaobai@xxxxxxx> --- Documentation/kernel-parameters.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1d6f045..9e5913e 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 + memory to reserve for the purposes of kdump. It will make + 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> -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
