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Commit 60ce0f93 authored by Dan Williams's avatar Dan Williams
Browse files

libnvdimm, region: quiet region probe 



The message about constraining number of online cpus to be less than or
equal to ND_MAX_LANES (256) is only useful for block-aperture
configurations and BTT. Make it debug since it is only relevant when
debugging performance.

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 4f867220

drivers/nvdimm/region.c

+2 −2
Original line number Diff line number Diff line
@@ -27,10 +27,10 @@ static int nd_region_probe(struct device *dev) 
	if (nd_region->num_lanes > num_online_cpus()

			&& nd_region->num_lanes < num_possible_cpus()

			&& !test_and_set_bit(0, &once)) {

		dev_info(dev, "online cpus (%d) < concurrent i/o lanes (%d) < possible cpus (%d)\n",

		dev_dbg(dev, "online cpus (%d) < concurrent i/o lanes (%d) < possible cpus (%d)\n",

				num_online_cpus(), nd_region->num_lanes,

				num_possible_cpus());

		dev_info(dev, "setting nr_cpus=%d may yield better libnvdimm device performance\n",

		dev_dbg(dev, "setting nr_cpus=%d may yield better libnvdimm device performance\n",

				nd_region->num_lanes);

	}