On Thu, Oct 27, 2011 at 8:45 PM, Dave Hansen <haveblue at us.ibm.com> wrote: > On Thu, 2011-10-27 at 09:30 +0200, Heiko Carstens wrote: >> > Are any events generated for memory add? >> >> Looks like uevents are only genereted when memory gets registered and >> unregistered, but not when when it gets set online or offline. >> To achieve that you would need to add similar code to >> store_mem_state()/memory_block_change_state() in drivers/base/memory.c >> like we have it already in store_online() in drivers/base/cpu.c > > Instead of doing it at that low a level, perhaps we should be generating > events when 'totalram_pages' changes. ?That way, we'll also trigger > events when things like ballooning happen. > I think we should separate the memory hot-plug issues from ballooning issues, so probably we need another uevent for this...
