On Fri, 2014-01-10 at 14:04 -0500, Prarit Bhargava wrote: : > arch/x86/kernel/e820.c | 10 +++++++++- > drivers/acpi/acpi_memhotplug.c | 7 ++++++- > include/linux/memory_hotplug.h | 3 +++ > 3 files changed, 18 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c > index 174da5f..747f36a 100644 > --- a/arch/x86/kernel/e820.c > +++ b/arch/x86/kernel/e820.c > @@ -20,6 +20,7 @@ > #include <linux/firmware-map.h> > #include <linux/memblock.h> > #include <linux/sort.h> > +#include <linux/memory_hotplug.h> > > #include <asm/e820.h> > #include <asm/proto.h> > @@ -834,6 +835,8 @@ static int __init parse_memopt(char *p) > return -EINVAL; > e820_remove_range(mem_size, ULLONG_MAX - mem_size, E820_RAM, 1); > > + set_acpi_no_memhotplug(); > + It won't build when CONFIG_ACPI_HOTPLUG_MEMORY is not defined. 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>