---
 init/main.c    |    2 ++
 mm/cpu_alloc.c |   18 +++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

Index: linux-2.6/init/main.c
===================================================================
--- linux-2.6.orig/init/main.c	2008-01-28 18:05:31.000000000 -0800
+++ linux-2.6/init/main.c	2008-01-28 18:07:30.000000000 -0800
@@ -89,6 +89,7 @@ extern void pidmap_init(void);
 extern void prio_tree_init(void);
 extern void radix_tree_init(void);
 extern void free_initmem(void);
+extern void cpu_alloc_init(void);
 #ifdef	CONFIG_ACPI
 extern void acpi_early_init(void);
 #else
@@ -562,6 +563,7 @@ asmlinkage void __init start_kernel(void
 				"enabled *very* early, fixing it\n");
 		local_irq_disable();
 	}
+	cpu_alloc_init();
 	sort_main_extable();
 	trap_init();
 	rcu_init();
Index: linux-2.6/mm/cpu_alloc.c
===================================================================
--- linux-2.6.orig/mm/cpu_alloc.c	2008-01-28 17:54:33.000000000 -0800
+++ linux-2.6/mm/cpu_alloc.c	2008-01-28 18:05:21.000000000 -0800
@@ -17,6 +17,7 @@
 #include <linux/module.h>
 #include <linux/percpu.h>
 #include <linux/bitmap.h>
+#include <linux/bootmem.h>
 
 /*
  * Can be configred from the kernel command line
@@ -78,7 +79,7 @@ static int size_to_units(unsigned long s
 static DEFINE_SPINLOCK(cpu_alloc_map_lock);
 static unsigned long units_reserved;	/* Units reserved by boot allocations */
 
-static DECLARE_BITMAP(cpu_alloc_map, UNITS);
+static unsigned long *cpu_alloc_map;
 
 void * __init boot_cpu_alloc(unsigned long size)
 {
@@ -210,3 +211,18 @@ void cpu_free(void *start, unsigned long
 	spin_unlock_irqrestore(&cpu_alloc_map_lock, flags);
 }
 EXPORT_SYMBOL(cpu_free);
+
+/*
+ * Setup cpu_alloc. All boot time boot_cpu_alloc() must have been completed.
+ */
+static void cpu_alloc_init(void)
+{
+	unsigned long size;
+
+	size = (size_to_units(cpu_alloc_size) - units_reserved) * UNIT_SIZE;
+
+	cpu_alloc_map = alloc_bootmem(size);
+}
+
+
+