Revert "[PATCH] x86_64: Fix the node cpumask of a cpu going down"

This reverts commit 10f4dc8b27.

Quoth Andi Kleen:
  "Kiran decided that it makes the problem worse than it was before.
   Fixing it fully requires more work which is too much for 2.6.16.  So
   please revert that commit for now."

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/smpboot.c

@@ -59,7 +59,6 @@
 #include <asm/nmi.h>
 #include <asm/irq.h>
 #include <asm/hw_irq.h>
-#include <asm/numa.h>
 
 /* Number of siblings per CPU package */
 int smp_num_siblings = 1;
@@ -891,7 +890,6 @@ do_rest:
 	if (boot_error) {
 		cpu_clear(cpu, cpu_callout_map); /* was set here (do_boot_cpu()) */
 		clear_bit(cpu, &cpu_initialized); /* was set by cpu_init() */
-		clear_node_cpumask(cpu); /* was set by numa_add_cpu */
 		cpu_clear(cpu, cpu_present_map);
 		cpu_clear(cpu, cpu_possible_map);
 		x86_cpu_to_apicid[cpu] = BAD_APICID;
@@ -1189,7 +1187,6 @@ void remove_cpu_from_maps(void)
 	cpu_clear(cpu, cpu_callout_map);
 	cpu_clear(cpu, cpu_callin_map);
 	clear_bit(cpu, &cpu_initialized); /* was set by cpu_init() */
-	clear_node_cpumask(cpu);
 }
 
 int __cpu_disable(void)