(4/5/13 4:33 PM), Cody P Schafer wrote: > In one case while modifying the ->high and ->batch fields of per cpu pagesets > we're unneededly using stop_machine() (patches 1 & 2), and in another we > don't have any > syncronization at all (patch 3). > > This patchset fixes both of them. > > Note that it results in a change to the behavior of zone_pcp_update(), which > is > used by memory_hotplug. I _think_ that I've diserned (and preserved) the > essential behavior (changing ->high and ->batch), and only eliminated unneeded > actions (draining the per cpu pages), but this may not be the case.
at least, memory hotplug need to drain. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
