Messages in this thread | | | Date | Thu, 1 Jun 2017 11:49:42 -0500 | From | Reza Arbab <> | Subject | Re: [RFC PATCH] mm, memory_hotplug: support movable_node for hotplugable nodes |
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On Thu, Jun 01, 2017 at 06:14:54PM +0200, Michal Hocko wrote: >On Thu 01-06-17 11:02:28, Reza Arbab wrote: >> On Thu, Jun 01, 2017 at 02:20:04PM +0200, Michal Hocko wrote: >> >Teach move_pfn_range that MMOP_ONLINE_KEEP can use the movable zone if >> >movable_node is enabled and the range doesn't overlap with the existing >> >normal zone. This should provide a reasonable default onlining strategy. >> >> I like it. If your distro has some auto-onlining udev rule like >> >> SUBSYSTEM=="memory", ACTION=="add", ATTR{state}=="offline", ATTR{state}="online" >> >> You could get things onlined as movable just by putting movable_node in >> the boot params, without changing/modifying the rule. > >yes this is the primary point of the patch ;)
Ha. What can I say, I like restating the obvious!
At some point after all these cleanups/improvements, it would be worth making sure Documentation/memory-hotplug.txt is still accurate.
-- Reza Arbab
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