x86, apic: clean up ->vector_allocation_domain()

- separate the namespace

 - remove macros

 - move the default vector-allocation-domain to mach-generic

 - fix whitespace damage

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c
index 6da251a..391cc99 100644
--- a/arch/x86/mach-generic/bigsmp.c
+++ b/arch/x86/mach-generic/bigsmp.c
@@ -42,7 +42,7 @@
 	 { }
 };
 
-static void vector_allocation_domain(int cpu, cpumask_t *retmask)
+static void bigsmp_vector_allocation_domain(int cpu, cpumask_t *retmask)
 {
 	cpus_clear(*retmask);
 	cpu_set(cpu, *retmask);
@@ -74,7 +74,7 @@
 	.check_apicid_used		= bigsmp_check_apicid_used,
 	.check_apicid_present		= bigsmp_check_apicid_present,
 
-	.vector_allocation_domain	= vector_allocation_domain,
+	.vector_allocation_domain	= bigsmp_vector_allocation_domain,
 	.init_apic_ldr			= init_apic_ldr,
 
 	.ioapic_phys_id_map		= ioapic_phys_id_map,