At 07/20/2012 03:31 PM, Yasuaki Ishimatsu Wrote: > [Hi Wen, > > Good news!! I was waiting for this patch to come. > Applying the patches, can we hot-remove physical memory completely? If all functions success, I guess so. Thanks Wen Congyang > > Thanks, > Yasuaki Ishimatsu > > 2012/07/20 16:06, Wen Congyang wrote: >> This patch series aims to support physical memory hot-remove(clear >> page table). >> >> This patch series base on ishimatsu's patch series. You can get it here: >> http://www.spinics.net/lists/linux-acpi/msg36804.html >> >> The patches can remove following things: >> - page table of removed memory >> >> If you find lack of function for physical memory hot-remove, please >> let me >> know. >> >> Note: >> * The patch "remove memory info from list before freeing it" is being >> disccussed >> in other thread. But for testing the patch series, the patch is >> needed. >> So I added the patch as [PATCH 0/8]. >> * You need to apply ishimatsu's patch series first before applying >> this patch >> series. >> >> Wen Congyang (8): >> memory-hotplug: store the node id in acpi_memory_device >> memory-hotplug: offline memory only when it is onlined >> memory-hotplug: call remove_memory() to cleanup when removing memory >> device >> memory-hotplug: export the function acpi_bus_remove() >> memory-hotplug: call acpi_bus_remove() to remove memory device >> memory-hotplug: introduce new function arch_remove_memory() >> x86: make __split_large_page() generally avialable >> memory-hotplug: implement arch_remove_memory() >> >> arch/ia64/mm/init.c | 16 ++++ >> arch/powerpc/mm/mem.c | 14 +++ >> arch/s390/mm/init.c | 8 ++ >> arch/sh/mm/init.c | 15 +++ >> arch/tile/mm/init.c | 8 ++ >> arch/x86/include/asm/pgtable_types.h | 1 + >> arch/x86/mm/init_32.c | 10 ++ >> arch/x86/mm/init_64.c | 160 >> ++++++++++++++++++++++++++++++++++ >> arch/x86/mm/pageattr.c | 47 +++++----- >> drivers/acpi/acpi_memhotplug.c | 24 ++++-- >> drivers/acpi/scan.c | 3 +- >> include/acpi/acpi_bus.h | 1 + >> include/linux/memory_hotplug.h | 1 + >> mm/memory_hotplug.c | 2 +- >> 14 files changed, 280 insertions(+), 30 deletions(-) >> > > > -- 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>