Hello, Tang. On Thu, Jul 25, 2013 at 11:50:12AM +0800, Tang Chen wrote: > movablecore boot option was used to specify the size of ZONE_MOVABLE. And > this patch-set aims to arrange ZONE_MOVABLE with SRAT info. So my original > thinking is to reuse movablecore. > > Since you said above, I think we have two problems here: > 1. Should not let users care about where the hotplug info comes from. > 2. Should not distinguish movable node and memory hotplug, since for now, > to use memory hotplug is to use movable node. > > So how about something like "movablenode", just like "quiet" boot option. > If users specify "movablenode", then memblock will reserve hotpluggable > memory, and create movable nodes if any. If users specify nothing, then > the kernel acts as before. Maybe I'm confused but memory hotplug isn't likely to work without this, right? If so, wouldn't it make more sense to have "memory_hotplug" option rather than "movablecore=acpi" which in no way indicates that it has something to do with memory hotplug? Thanks. -- tejun -- 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>