On Fri, 10 Jan 2014, Prarit Bhargava wrote: > kdump uses memmap=exactmap and mem=X values to configure the memory > mapping for the kdump kernel. If memory is hotadded during the boot of > the kdump kernel it is possible that the page tables for the new memory > cause the kdump kernel to run out of memory. > > Since the user has specified a specific mapping ACPI Memory Hotplug should be > disabled in this case. I'll ask just in case: Is it possible to want memory hotplug in spite of using memmap=exactmap or mem=X? -- 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>