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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