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-rw-r--r--arch/x86/include/asm/numa.h2
-rw-r--r--arch/x86/mm/numa.c31
-rw-r--r--arch/x86/mm/numa_emulation.c20
3 files changed, 20 insertions, 33 deletions
diff --git a/arch/x86/include/asm/numa.h b/arch/x86/include/asm/numa.h
index 3d4dab43c994..a50fc9f493b3 100644
--- a/arch/x86/include/asm/numa.h
+++ b/arch/x86/include/asm/numa.h
@@ -51,7 +51,7 @@ static inline void numa_remove_cpu(int cpu) { }
#endif /* CONFIG_NUMA */
#ifdef CONFIG_DEBUG_PER_CPU_MAPS
-struct cpumask __cpuinit *debug_cpumask_set_cpu(int cpu, int enable);
+void debug_cpumask_set_cpu(int cpu, int node, bool enable);
#endif
#endif /* _ASM_X86_NUMA_H */
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 9559d360fde7..745258dfc4dc 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -213,53 +213,48 @@ int early_cpu_to_node(int cpu)
return per_cpu(x86_cpu_to_node_map, cpu);
}
-struct cpumask __cpuinit *debug_cpumask_set_cpu(int cpu, int enable)
+void debug_cpumask_set_cpu(int cpu, int node, bool enable)
{
- int node = early_cpu_to_node(cpu);
struct cpumask *mask;
char buf[64];
if (node == NUMA_NO_NODE) {
/* early_cpu_to_node() already emits a warning and trace */
- return NULL;
+ return;
}
mask = node_to_cpumask_map[node];
if (!mask) {
pr_err("node_to_cpumask_map[%i] NULL\n", node);
dump_stack();
- return NULL;
+ return;
}
+ if (enable)
+ cpumask_set_cpu(cpu, mask);
+ else
+ cpumask_clear_cpu(cpu, mask);
+
cpulist_scnprintf(buf, sizeof(buf), mask);
printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n",
enable ? "numa_add_cpu" : "numa_remove_cpu",
cpu, node, buf);
- return mask;
+ return;
}
# ifndef CONFIG_NUMA_EMU
-static void __cpuinit numa_set_cpumask(int cpu, int enable)
+static void __cpuinit numa_set_cpumask(int cpu, bool enable)
{
- struct cpumask *mask;
-
- mask = debug_cpumask_set_cpu(cpu, enable);
- if (!mask)
- return;
-
- if (enable)
- cpumask_set_cpu(cpu, mask);
- else
- cpumask_clear_cpu(cpu, mask);
+ debug_cpumask_set_cpu(cpu, early_cpu_to_node(cpu), enable);
}
void __cpuinit numa_add_cpu(int cpu)
{
- numa_set_cpumask(cpu, 1);
+ numa_set_cpumask(cpu, true);
}
void __cpuinit numa_remove_cpu(int cpu)
{
- numa_set_cpumask(cpu, 0);
+ numa_set_cpumask(cpu, false);
}
# endif /* !CONFIG_NUMA_EMU */
diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c
index ad091e4cff17..de84cc140379 100644
--- a/arch/x86/mm/numa_emulation.c
+++ b/arch/x86/mm/numa_emulation.c
@@ -454,10 +454,9 @@ void __cpuinit numa_remove_cpu(int cpu)
cpumask_clear_cpu(cpu, node_to_cpumask_map[i]);
}
#else /* !CONFIG_DEBUG_PER_CPU_MAPS */
-static void __cpuinit numa_set_cpumask(int cpu, int enable)
+static void __cpuinit numa_set_cpumask(int cpu, bool enable)
{
- struct cpumask *mask;
- int nid, physnid, i;
+ int nid, physnid;
nid = early_cpu_to_node(cpu);
if (nid == NUMA_NO_NODE) {
@@ -467,28 +466,21 @@ static void __cpuinit numa_set_cpumask(int cpu, int enable)
physnid = emu_nid_to_phys[nid];
- for_each_online_node(i) {
+ for_each_online_node(nid) {
if (emu_nid_to_phys[nid] != physnid)
continue;
- mask = debug_cpumask_set_cpu(cpu, enable);
- if (!mask)
- return;
-
- if (enable)
- cpumask_set_cpu(cpu, mask);
- else
- cpumask_clear_cpu(cpu, mask);
+ debug_cpumask_set_cpu(cpu, nid, enable);
}
}
void __cpuinit numa_add_cpu(int cpu)
{
- numa_set_cpumask(cpu, 1);
+ numa_set_cpumask(cpu, true);
}
void __cpuinit numa_remove_cpu(int cpu)
{
- numa_set_cpumask(cpu, 0);
+ numa_set_cpumask(cpu, false);
}
#endif /* !CONFIG_DEBUG_PER_CPU_MAPS */