Currently, a debug message gets printed every time an attempt to add(remove) a CPU. However this is redundant if the CPU is already added (removed) from the node.
Cc: linuxppc-dev@lists.ozlabs.org Cc: Nathan Lynch <nath...@linux.ibm.com> Cc: Michael Ellerman <m...@ellerman.id.au> Cc: Ingo Molnar <mi...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Valentin Schneider <valentin.schnei...@arm.com> Cc: Gautham R Shenoy <e...@linux.vnet.ibm.com> Cc: Vincent Guittot <vincent.guit...@linaro.org> Cc: Geetika Moolchandani <geetika.moolchanda...@ibm.com> Cc: Laurent Dufour <lduf...@linux.ibm.com> Signed-off-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com> --- arch/powerpc/mm/numa.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 9af38b1c618b..6655ecdeddef 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -138,10 +138,10 @@ static void map_cpu_to_node(int cpu, int node) { update_numa_cpu_lookup_table(cpu, node); - pr_debug("adding cpu %d to node %d\n", cpu, node); - - if (!(cpumask_test_cpu(cpu, node_to_cpumask_map[node]))) + if (!(cpumask_test_cpu(cpu, node_to_cpumask_map[node]))) { + pr_debug("adding cpu %d to node %d\n", cpu, node); cpumask_set_cpu(cpu, node_to_cpumask_map[node]); + } } #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_PPC_SPLPAR) @@ -149,10 +149,9 @@ static void unmap_cpu_from_node(unsigned long cpu) { int node = numa_cpu_lookup_table[cpu]; - pr_debug("removing cpu %lu from node %d\n", cpu, node); - if (cpumask_test_cpu(cpu, node_to_cpumask_map[node])) { cpumask_clear_cpu(cpu, node_to_cpumask_map[node]); + pr_debug("removing cpu %lu from node %d\n", cpu, node); } else { pr_warn("WARNING: cpu %lu not found in node %d\n", cpu, node); } -- 2.18.2