On Tue, Dec 07, 2010 at 11:24:20AM -0700, Eric B Munson wrote: > Shaohui, > > The documentation patch seems to be stale, it needs to be updated to match the > new file names. > Eric, the major change on the patchset is on the interface, for the v8 emulator, we accept David's per-node debugfs add_memory interface, we already included in the documentation patch. the change is very small, so it is not obvious. This is the change on the documentation compare with v7: +3) Memory hotplug emulation: + +The emulator reserves memory before OS boots, the reserved memory region is +removed from e820 table. Each online node has an add_memory interface, and +memory can be hot-added via the per-ndoe add_memory debugfs interface. + +The difficulty of Memory Release is well-known, we have no plan for it until +now. + + - reserve memory thru a kernel boot paramter + mem=1024m + + - add a memory section to node 3 + # echo 0x40000000 > mem_hotplug/node3/add_memory + OR + # echo 1024m > mem_hotplug/node3/add_memory + -- Thanks & Regards, Shaohui -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>