diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 814f65e025f1c22799ca3c09feae61318c9790a1..ba4b01e01acebb2c5921dc3af83b5429582b4966 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -46,9 +46,8 @@
 
 #define SPU_MIN_TIMESLICE 	(100 * HZ / 1000)
 
-#define SPU_BITMAP_SIZE (((MAX_PRIO+BITS_PER_LONG)/BITS_PER_LONG)+1)
 struct spu_prio_array {
-	unsigned long bitmap[SPU_BITMAP_SIZE];
+	DECLARE_BITMAP(bitmap, MAX_PRIO);
 	struct list_head runq[MAX_PRIO];
 	spinlock_t runq_lock;
 	struct list_head active_list[MAX_NUMNODES];