1 files changed, 3 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 44738564b2ee..be6ba33d4ff1 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -343,6 +343,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         no: ACPI OperationRegions are not marked as reserved,
                         no further checks are performed.
 
+        acpi_no_memhotplug [ACPI] Disable memory hotplug.  Useful for kdump
+                           kernels.
+
         add_efi_memmap  [EFI; X86] Include EFI memory map in
                         kernel's map of available physical RAM.