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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) { }
51#endif /* CONFIG_NUMA */ 51#endif /* CONFIG_NUMA */
52 52
53#ifdef CONFIG_DEBUG_PER_CPU_MAPS 53#ifdef CONFIG_DEBUG_PER_CPU_MAPS
54struct cpumask __cpuinit *debug_cpumask_set_cpu(int cpu, int enable); 54void debug_cpumask_set_cpu(int cpu, int node, bool enable);
55#endif 55#endif
56 56
57#endif /* _ASM_X86_NUMA_H */ 57#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)
213 return per_cpu(x86_cpu_to_node_map, cpu); 213 return per_cpu(x86_cpu_to_node_map, cpu);
214} 214}
215 215
216struct cpumask __cpuinit *debug_cpumask_set_cpu(int cpu, int enable) 216void debug_cpumask_set_cpu(int cpu, int node, bool enable)
217{ 217{
218 int node = early_cpu_to_node(cpu);
219 struct cpumask *mask; 218 struct cpumask *mask;
220 char buf[64]; 219 char buf[64];
221 220
222 if (node == NUMA_NO_NODE) { 221 if (node == NUMA_NO_NODE) {
223 /* early_cpu_to_node() already emits a warning and trace */ 222 /* early_cpu_to_node() already emits a warning and trace */
224 return NULL; 223 return;
225 } 224 }
226 mask = node_to_cpumask_map[node]; 225 mask = node_to_cpumask_map[node];
227 if (!mask) { 226 if (!mask) {
228 pr_err("node_to_cpumask_map[%i] NULL\n", node); 227 pr_err("node_to_cpumask_map[%i] NULL\n", node);
229 dump_stack(); 228 dump_stack();
230 return NULL; 229 return;
231 } 230 }
232 231
232 if (enable)
233 cpumask_set_cpu(cpu, mask);
234 else
235 cpumask_clear_cpu(cpu, mask);
236
233 cpulist_scnprintf(buf, sizeof(buf), mask); 237 cpulist_scnprintf(buf, sizeof(buf), mask);
234 printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n", 238 printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n",
235 enable ? "numa_add_cpu" : "numa_remove_cpu", 239 enable ? "numa_add_cpu" : "numa_remove_cpu",
236 cpu, node, buf); 240 cpu, node, buf);
237 return mask; 241 return;
238} 242}
239 243
240# ifndef CONFIG_NUMA_EMU 244# ifndef CONFIG_NUMA_EMU
241static void __cpuinit numa_set_cpumask(int cpu, int enable) 245static void __cpuinit numa_set_cpumask(int cpu, bool enable)
242{ 246{
243 struct cpumask *mask; 247 debug_cpumask_set_cpu(cpu, early_cpu_to_node(cpu), enable);
244
245 mask = debug_cpumask_set_cpu(cpu, enable);
246 if (!mask)
247 return;
248
249 if (enable)
250 cpumask_set_cpu(cpu, mask);
251 else
252 cpumask_clear_cpu(cpu, mask);
253} 248}
254 249
255void __cpuinit numa_add_cpu(int cpu) 250void __cpuinit numa_add_cpu(int cpu)
256{ 251{
257 numa_set_cpumask(cpu, 1); 252 numa_set_cpumask(cpu, true);
258} 253}
259 254
260void __cpuinit numa_remove_cpu(int cpu) 255void __cpuinit numa_remove_cpu(int cpu)
261{ 256{
262 numa_set_cpumask(cpu, 0); 257 numa_set_cpumask(cpu, false);
263} 258}
264# endif /* !CONFIG_NUMA_EMU */ 259# endif /* !CONFIG_NUMA_EMU */
265 260
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)
454 cpumask_clear_cpu(cpu, node_to_cpumask_map[i]); 454 cpumask_clear_cpu(cpu, node_to_cpumask_map[i]);
455} 455}
456#else /* !CONFIG_DEBUG_PER_CPU_MAPS */ 456#else /* !CONFIG_DEBUG_PER_CPU_MAPS */
457static void __cpuinit numa_set_cpumask(int cpu, int enable) 457static void __cpuinit numa_set_cpumask(int cpu, bool enable)
458{ 458{
459 struct cpumask *mask; 459 int nid, physnid;
460 int nid, physnid, i;
461 460
462 nid = early_cpu_to_node(cpu); 461 nid = early_cpu_to_node(cpu);
463 if (nid == NUMA_NO_NODE) { 462 if (nid == NUMA_NO_NODE) {
@@ -467,28 +466,21 @@ static void __cpuinit numa_set_cpumask(int cpu, int enable)
467 466
468 physnid = emu_nid_to_phys[nid]; 467 physnid = emu_nid_to_phys[nid];
469 468
470 for_each_online_node(i) { 469 for_each_online_node(nid) {
471 if (emu_nid_to_phys[nid] != physnid) 470 if (emu_nid_to_phys[nid] != physnid)
472 continue; 471 continue;
473 472
474 mask = debug_cpumask_set_cpu(cpu, enable); 473 debug_cpumask_set_cpu(cpu, nid, enable);
475 if (!mask)
476 return;
477
478 if (enable)
479 cpumask_set_cpu(cpu, mask);
480 else
481 cpumask_clear_cpu(cpu, mask);
482 } 474 }
483} 475}
484 476
485void __cpuinit numa_add_cpu(int cpu) 477void __cpuinit numa_add_cpu(int cpu)
486{ 478{
487 numa_set_cpumask(cpu, 1); 479 numa_set_cpumask(cpu, true);
488} 480}
489 481
490void __cpuinit numa_remove_cpu(int cpu) 482void __cpuinit numa_remove_cpu(int cpu)
491{ 483{
492 numa_set_cpumask(cpu, 0); 484 numa_set_cpumask(cpu, false);
493} 485}
494#endif /* !CONFIG_DEBUG_PER_CPU_MAPS */ 486#endif /* !CONFIG_DEBUG_PER_CPU_MAPS */