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..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
--
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