On Fri, 2014-01-10 at 14:04 -0500, Prarit Bhargava wrote: : > --- > Documentation/kernel-parameters.txt | 3 +++ > drivers/acpi/acpi_memhotplug.c | 12 ++++++++++++ > 2 files changed, 15 insertions(+) > > diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt > index b9e9bd8..41374f9 100644 > --- a/Documentation/kernel-parameters.txt > +++ b/Documentation/kernel-parameters.txt > @@ -2117,6 +2117,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. > > nomce [X86-32] Machine Check Exception > > + acpi_no_memhotplug [ACPI] Disable memory hotplug. Useful for kexec > + and kdump kernels. > + Please move it to where other acpi_xxx are described. For kdump kernel, this option will be used when memmap=exactmap is deprecated. IOW, it is not useful yet. Not sure what you mean by kexec kernel. Memory hotplug does not need to be disabled for kexec reboot. Thanks, -Toshi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>