[PATCH v3 4/4] kdump: update Documentation about crashkernel on arm64

From: Chen Zhou
Date: Tue Apr 09 2019 - 06:30:28 EST

Now we support crashkernel=X,[high,low] on arm64, update the

Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx>
Documentation/admin-guide/kernel-parameters.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 060482d..d5c65e1 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -715,14 +715,14 @@
Documentation/kdump/kdump.txt for an example.

- [KNL, x86_64] range could be above 4G. Allow kernel
+ [KNL, x86_64, arm64] range could be above 4G. Allow kernel
to allocate physical memory region from top, so could
be above 4G if system have more than 4G ram installed.
Otherwise memory region will be allocated below 4G, if
It will be ignored if crashkernel=X is specified.
- [KNL, x86_64] range under 4G. When crashkernel=X,high
+ [KNL, x86_64, arm64] range under 4G. When crashkernel=X,high
is passed, kernel could allocate physical memory region
above 4G, that cause second kernel crash on system
that require some amount of low memory, e.g. swiotlb