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Message-Id: <1440428669-4414-1-git-send-email-bywxiaobai@163.com> Date: Mon, 24 Aug 2015 23:04:29 +0800 From: Yaowei Bai <bywxiaobai@....com> To: corbet@....net Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v2] Documentation: add 'crashkernel=auto' entry into kernel-parameters.txt 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@....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..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-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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